UMPQ / Umpqua Holdings Corp - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Umpqua Holdings Corp
US ˙ NASDAQ ˙ US9042141039
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 5299002ENJ7CY215BW86
CIK 1077771
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Umpqua Holdings Corp
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
February 9, 2024 SC 13G/A

UMPQ / Umpqua Holdings Corp / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* UMPQUA HOLDINGS CORP (Name of Issuer) Common Stock (Title of Class of Securities) 904214103 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

March 13, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-34624 UMPQUA HOLDINGS CORPORATION (Exact name of registrant as sp

March 1, 2023 EX-99.1

Columbia Banking System and Umpqua Holdings Corporation Complete Merger Two Leading Community Banks Based in the Northwest Combine to Create One of the Largest Banks Headquartered in the West

EX-99.1 Exhibit 99.1 Columbia Banking System and Umpqua Holdings Corporation Complete Merger Two Leading Community Banks Based in the Northwest Combine to Create One of the Largest Banks Headquartered in the West TACOMA, WASHINGTON | PORTLAND, OREGON, March 1, 2023 – Columbia Banking System, Inc. (“Columbia”) (Nasdaq: COLB), the parent company of Columbia Bank, and Umpqua Holdings Corporation (“Um

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 28, 2023 (Date of earliest event reported) Umpqua Holdings

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 28, 2023 (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

March 1, 2023 POSASR

As filed with the Securities and Exchange Commission on March 1, 2023

POSASR 1 d438030dposasr.htm POSASR As filed with the Securities and Exchange Commission on March 1, 2023 Registration No. 333-195396 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 POST-EFFECTIVE AMENDMENT NO. 1 TO: Form S-3 Registration Statement No. 333-195396 UNDER THE SECURITIES ACT OF 1933 UMPQUA HOLDINGS CORPORATION (Exact name of registrant as specified in i

March 1, 2023 EX-99.25

EX-99.25

Form 25

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

March 1, 2023 S-8 POS

As filed with the Securities and Exchange Commission on March 1, 2023

S-8 POS As filed with the Securities and Exchange Commission on March 1, 2023 Registration Nos.

February 24, 2023 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of Umpqua Holdings Corporation Name of Subsidiary State of Incorporation Other Names Under Which Business is Conducted Umpqua Bank Oregon Umpqua Bank Home Lending, Umpqua Private Bank, Umpqua Bank Equipment Leasing and Finance, Umpqua Bank Mortgage, Umpqua Bank Vendor Finance Financial Pacific Reinsurance Co., Ltd. Washington Umpqua Master Trust I Delaware Umpqua Statutor

February 24, 2023 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to . Commission file number: 001-34624 Umpqua Holdings Corpor

February 14, 2023 EX-99.A

Page 9 of 13

EX-99.A 2 d412659dex99a.htm EX-99.A EXHIBIT A AGREEMENT TO FILE JOINT ACQUISITION STATEMENTS AGREEMENT made this 2nd day of FEBRUARY, 2021 by and between Delaware Funds® by Macquarie listed on Annex A hereto, Macquarie Investment Management Business Trust, Macquarie Management Holdings, Inc, and the Macquarie Parties listed on Annex B hereto (collectively referred to as the “parties”). WHEREAS, th

February 14, 2023 SC 13G/A

UMPQ / Umpqua Holdings Corp / MACQUARIE GROUP LTD - SC 13G/A Passive Investment

SC 13G/A 1 d412659dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Umpqua Holdings Corp (Name of Issuer) Common Shares (Title of Class of Securities) 904214103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

February 14, 2023 EX-99.B

Page 13 of 13

EX-99.B 3 d412659dex99b.htm EX-99.B Exhibit 99.B EXHIBIT B Powers of Attorney for Macquarie Group Limited and Macquarie Bank Limited incorporated by reference to 13G filings made by Macquarie Group Limited and Macquarie Bank Limited on May 25, 2021. Page 13 of 13

February 9, 2023 SC 13G/A

UMPQ / Umpqua Holdings Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Umpqua Holdings Corp. Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

February 8, 2023 SC 13G

UMPQ / Umpqua Holdings Corp / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* UMPQUA HOLDINGS CORP (Name of Issuer) Common Stock (Title of Class of Securities) 904214103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

January 24, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 23, 2023 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 24, 2023 EX-99.2

Umpqua Holdings Corporation 4th Quarter 2022 Earnings Presentation January 23, 2023 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, go

Umpqua Holdings Corporation 4th Quarter 2022 Earnings Presentation January 23, 2023 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (“Umpqua”) and Columbia Banking System, Inc.

January 24, 2023 EX-99.1

UMPQUA REPORTS FOURTH QUARTER AND FULL-YEAR 2022 RESULTS

Fourth Quarter 2022 Results •Net income of $83 million, or $0.38 per common share •Operating net income of $99 million, or $0.46 per common share1 •Loan balances increased $648 million or 2.5% •Deposit balances increased $249 million or 0.9% •Net interest margin increased 13 basis points to 4.01% 00 UMPQUA REPORTS FOURTH QUARTER AND FULL-YEAR 2022 RESULTS $0.38 $83 13.53% 13.7% 4Q22 Net earnings p

January 11, 2023 EX-99.1

Umpqua Holdings Corporation Announces $0.21 Per Common Share Dividend and Date of Fourth Quarter 2022 Earnings Conference Call

Contact: Jacquelynne “Jacque” Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation (503) 727-4117 jacquebohlen@umpquabank.

January 11, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 11, 2023 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2023 Umpqua Holdings C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2023 Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organiz

January 10, 2023 EX-99.1

Columbia Banking System and Umpqua Holdings Corporation Announce FDIC Approval and Expected Closing Timeline for Combination

Exhibit 99.1 Columbia Banking System and Umpqua Holdings Corporation Announce FDIC Approval and Expected Closing Timeline for Combination TACOMA, WASHINGTON | PORTLAND, OREGON, January 9, 2023 – Columbia Banking System, Inc. (“Columbia”) (NASDAQ: COLB), the parent company of Columbia Bank, and Umpqua Holdings Corporation (“Umpqua”) (NASDAQ: UMPQ), the parent company of Umpqua Bank, jointly announc

January 10, 2023 EX-2.1

Amendment No. 1, dated as of January 9, 2023, to the Agreement and Plan of Merger, dated as of October 11, 2021, by and among Umpqua Holdings Corporation, Columbia Banking System, Inc. and Cascade Merger Sub, Inc. (incorporated by reference to Exhibit 2.1 to Umpqua Holdings Corporation’s Form 8-K filed with the SEC on January 10, 2023 (File No. 001-34624)).

Exhibit 2.1 AMENDMENT NO. 1 TO THE MERGER AGREEMENT This AMENDMENT NO. 1 (this “Amendment”), dated as of January 9, 2023, to the Agreement and Plan of Merger, dated as of October 11, 2021 (together with the exhibits and schedules thereto, the “Merger Agreement”), by and among Columbia Banking System, Inc., a Washington corporation (“Columbia”), Umpqua Holdings Corporation, an Oregon corporation (“

November 10, 2022 SC 13G/A

UMPQ / Umpqua Holdings Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Umpqua Holdings Corp. Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: October 31, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

October 31, 2022 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2022 or

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2022 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdin

October 26, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 25, 2022 Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

October 19, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 19, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

October 19, 2022 EX-99.1

UMPQUA REPORTS THIRD QUARTER 2022 RESULTS

EXHIBIT 99.1 Third Quarter 2022 Results ?Net income of $84 million, or $0.39 per common share ?Operating net income of $103 million, or $0.47 per common share1 ?Loan balances increased $1.1 billion or 4.4% ?Deposit balances increased $685 million or 2.6% ?Net interest margin increased 47 basis points to 3.88% 00 UMPQUA REPORTS THIRD QUARTER 2022 RESULTS $0.39 $84 13.02% 13.2% Net earnings per dilu

October 19, 2022 EX-99.2

Umpqua Holdings Corporation 3rd Quarter 2022 Earnings Presentation October 19, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, go

Umpqua Holdings Corporation 3rd Quarter 2022 Earnings Presentation October 19, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

October 3, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 3, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Org

September 30, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 30, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or

September 30, 2022 EX-99.1

Umpqua Holdings Corporation Announces Third Quarter 2022 Earnings Conference Call on October 20th, 2022

Contact: Jacquelynne "Jacque" Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation (503) 727-4117 jacquebohlen@umpquabank.

September 2, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 2, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

September 2, 2022 EX-99.1

Umpqua Holdings Corporation 2nd Quarter 2022 Earnings Presentation Updated September 2, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expecta

Umpqua Holdings Corporation 2nd Quarter 2022 Earnings Presentation Updated September 2, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

July 29, 2022 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2022 or

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2022 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings Co

July 20, 2022 EX-99.1

UMPQUA REPORTS SECOND QUARTER 2022 RESULTS

EXHIBIT 99.1 Second quarter 2022 Results ?Net income of $78.6 million, or $0.36 per common share ?Operating net income of $80.3 million, or $0.37 per common share1 ?Loan balances increased $1.5 billion or 6.3% ?Deposit balances decreased $567.2 million or 2.1% ?Provision for credit losses of $18.7 million 00 UMPQUA REPORTS SECOND QUARTER 2022 RESULTS $0.36 $79 12.23% 13.5% Net earnings per diluted

July 20, 2022 EX-99.2

Umpqua Holdings Corporation 2nd Quarter 2022 Earnings Presentation July 20, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals

Umpqua Holdings Corporation 2nd Quarter 2022 Earnings Presentation July 20, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

July 20, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 20, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

July 20, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 20, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 30, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2022 EX-99.1

Umpqua Holdings Corporation Announces Second Quarter 2022 Earnings Conference Call on July 21st, 2022

Contact: Jacquelynne "Jacque" Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation (503) 727-4117 jacquebohlen@umpquabank.

June 21, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

11-K 1 umpq11-k2021.htm 11-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended DECEMBER 31, 2021 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number.....

May 26, 2022 EX-99.1

Umpqua Holdings Corporation 1st Quarter 2022 Investor Presentation Updated May 26, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements, including, but not limited to, certain plans, expectations, goals,

Umpqua Holdings Corporation 1st Quarter 2022 Investor Presentation Updated May 26, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

May 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: May 26, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

May 5, 2022 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: March 31, 2022 or

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: March 31, 2022 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings C

May 5, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: May 5, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organiz

April 20, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 20, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

April 20, 2022 EX-99.2

Umpqua Holdings Corporation 1st Quarter 2022 Earnings Presentation April 20, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goal

Umpqua Holdings Corporation 1st Quarter 2022 Earnings Presentation April 20, 2022 2 Disclaimer FORWARD-LOOKING STATEMENTS This communication contains certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

April 20, 2022 EX-99.1

UMPQUA REPORTS FIRST QUARTER 2022 RESULTS

EXHIBIT 99.1 First quarter 2022 Results ?Net income of $91.2 million, or $0.42 per common share ?Operating net income of $77.6 million, or $0.36 per common share ?Non-PPP loan balances increased $630.2 million or 2.8% ?Deposit balances increased $104.9 million or 0.4% ?Provision for credit losses of $4.8 million 00 UMPQUA REPORTS FIRST QUARTER 2022 RESULTS $0.42 $91 13.66% 14.0% Net earnings per d

April 1, 2022 EX-99.1

Umpqua Holdings Corporation Announces First Quarter 2022 Earnings Conference Call on April 21st, 2022

Contacts: Jacquelynne "Jacque" Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation (503) 727-4117 jacquebohlen@umpquabank.

April 1, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 31, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

February 25, 2022 EX-10.3

Employment Agreement dated effective

Exhibit 10.3 AMENDED AND RESTATED EMPLOYMENT AGREEMENT This Amended and Restated Employment Agreement (this ?Agreement?) is entered into by and between Umpqua Holdings Corporation (?Parent?), Umpqua Bank (the ?Company?) and Lisa White (?Executive?) effective as of April 1, 2021 (the ?Effective Date?). Each of Parent, Company and Executive is herein referred to individually as a ?Party? and togethe

February 25, 2022 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of Umpqua Holdings Corporation Name of Subsidiary State of Incorporation Other Names Under Which Business is Conducted Umpqua Bank Oregon Umpqua Bank Home Lending, Umpqua Private Bank, Umpqua Bank Equipment Leasing and Finance, Umpqua Bank Mortgage, Umpqua Bank Vendor Finance Financial Pacific Reinsurance Co., Ltd. Washington Umpqua Master Trust I Delaware Umpqua Statutor

February 25, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to . Commission file number: 001-34624 Umpqua Holdings Corpor

February 25, 2022 EX-10.5.B

Form of Notice of Restricted Stock Unit Award

Exhibit 10.5.b UMPQUA HOLDINGS CORPORATION NOTICE OF RESTRICTED STOCK UNIT AWARD ?Participant?: Award Type: Restricted Stock Unit Award Units Granted: ?Grant Date?: Plan Name: Umpqua Holdings Corporation 2013 Incentive Plan Effective , you have been granted a Restricted Stock Unit Award (the ?Award?) with respect to the number of shares of Umpqua common stock listed above. This Notice of Restricte

February 25, 2022 EX-10.5.A

Award Agreement under 2013 Incentive Plan

Exhibit 10.5.a UMPQUA HOLDINGS CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT Pursuant to the terms of the Notice of Restricted Stock Unit Award or Notice of Performance Share Award (the ?Notice?) and this Restricted Stock Unit Award Agreement (together with the Notice, the "Agreement" or ?Award Agreement"), Umpqua Holdings Corporation, including its Subsidiaries and any successor corporation (

February 11, 2022 SC 13G

UMPQ / Umpqua Holdings Corp / MACQUARIE GROUP LTD - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 0)* Umpqua Holdings Corp (Name of Issuer) Common Shares (Title of Class of Securities) 904214103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 10, 2022 SC 13G/A

UMPQ / Umpqua Holdings Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02099-umpquaholdingscorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Umpqua Holdings Corp. Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to de

February 4, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: February 4, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 28, 2022 EX-99.1

Columbia Banking System and Umpqua Holdings Corporation Announce Receipt of Shareholder Approvals to Combine

Exhibit 99.1 Columbia Banking System and Umpqua Holdings Corporation Announce Receipt of Shareholder Approvals to Combine TACOMA, WASHINGTON | PORTLAND, OREGON, January 26, 2022 ? Columbia Banking System, Inc. (?Columbia?) (NASDAQ: COLB), the parent company of Columbia State Bank, and Umpqua Holdings Corporation (?Umpqua?) (NASDAQ: UMPQ), the parent company of Umpqua Bank, jointly announced that t

January 28, 2022 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2022 Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

January 21, 2022 EX-99.1

Columbia Banking System Announces Fourth Quarter and Full Year 2021 Results and Quarterly Cash Dividend

Exhibit 99.1 FOR IMMEDIATE RELEASE January 19, 2022 Columbia Banking System Announces Fourth Quarter and Full Year 2021 Results and Quarterly Cash Dividend Notable Items for Fourth Quarter 2021 and Fiscal Year 2021 ?Completed acquisition of Bank of Commerce Holdings ?Announced merger agreement with Umpqua Holdings Corporation ?Record full year 2021 net income of $202.8 million and diluted earnings

January 21, 2022 425

-2-

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

January 21, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2022 COLUMBIA BANKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2022 COLUMBIA BANKING SYSTEM, INC. (Exact name of registrant as specified in its charter) Washington 000-20288 91-1422237 (State or other jurisdiction of incorporation) (C

January 20, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: January 19, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

January 20, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: January 19, 2022 (Date of earliest event reported) Umpqua Holdings

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: January 19, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

January 20, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2022 COLUMBIA BANKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2022 COLUMBIA BANKING SYSTEM, INC. (Exact name of registrant as specified in its charter) Washington 000-20288 91-1422237 (State or other jurisdiction of incorporation) (C

January 19, 2022 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

January 19, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 19, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 19, 2022 EX-99.1

UMPQUA REPORTS FOURTH QUARTER AND FULL-YEAR 2021 RESULTS

EXHIBIT 99.1 Fourth quarter 2021 Results ?Net income of $88.4 million, or $0.41 per common share ?Non-PPP loan balances increased $929.5 million or 4.4% ?Deposit balances decreased $313.7 million or 1.2% ?Recapture of provision for credit losses of $0.7 million 00 UMPQUA REPORTS FOURTH QUARTER AND FULL-YEAR 2021 RESULTS $0.41 $88 12.94% 14.3% Net earnings per diluted common share Net income ($ in

January 19, 2022 EX-99.2

Umpqua Holdings Corporation 4th Quarter 2021 Earnings Conference Call Presentation January 20, 2022 2 FORWARD-LOOKING STATEMENTS This communication may contain certain forward-looking statements, including, but not limited to, certain plans, expectat

Umpqua Holdings Corporation 4th Quarter 2021 Earnings Conference Call Presentation January 20, 2022 2 FORWARD-LOOKING STATEMENTS This communication may contain certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction, the plans, objectives, expectations and intentions of Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc.

January 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 4, 2022 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Org

January 4, 2022 EX-99.1

Umpqua Holdings Corporation Announces Fourth Quarter 2021 Earnings Conference Call on January 20th, 2022

Contact: Jacquelynne ?Jacque? Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation (503) 727-4417 jacquebohlen@umpquabank.

December 10, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 10, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 9, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 9, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 8, 2021 EX-99.1

Exhibit 99.1

Exhibit 99.1

December 8, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 8, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: December 8, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

December 8, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

December 8, 2021 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

December 3, 2021 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

November 22, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: November 22, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

November 5, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: November 5, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

November 4, 2021 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2021 or

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2021 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdin

November 4, 2021 EX-10.1

Form of 2021 Notice of Performance (ROATCE) Share Award

Exhibit 10.1 UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD ?Participant?: # of Shares subject to this Award (?Shares?): ?Grant Date?: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above. This Notice of Performance Share Award ("Notice") together with the Umpqua Holdings Corporation 2013 Incentive Plan (?Plan?) and the correspo

October 29, 2021 EX-99.1

Columbia Banking System Announces Third Quarter 2021 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE October 28, 2021 Columbia Banking System Announces Third Quarter 2021 Results Notable Items for Third Quarter 2021 ?Quarterly net income of $53.0 million and diluted earnings per share of $0.74 ?Total loans, net of PPP loans, increased $183.2 million, or 8% annualized1 ?Strong loan production of $366.2 million ?Deposits increased $608.0 million, or 16% annualized

October 29, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2021 COLUMBIA BANKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2021 COLUMBIA BANKING SYSTEM, INC. (Exact name of registrant as specified in its charter) Washington 000-20288 91-1422237 (State or other jurisdiction of incorporation) (C

October 20, 2021 EX-99.1

UMPQUA REPORTS THIRD QUARTER 2021 RESULTS

EXHIBIT 99.1 Third quarter 2021 Results ?Net income of $108.1 million, or $0.49 per common share ?Non-PPP loan balances increased $479.7 million or 2.3% ?Deposit balances increased $754.8 million or 2.9% ?Provision for credit losses recapture of $18.9 million as modeled economic conditions improve 00 UMPQUA REPORTS THIRD QUARTER 2021 RESULTS $0.49 $108 15.88% 14.9% Net earnings per diluted common

October 20, 2021 EX-99.2

Umpqua Holdings Corporation 3rd Quarter 2021 Earnings Conference Call Presentation October 21, 2021 2 This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform

Umpqua Holdings Corporation 3rd Quarter 2021 Earnings Conference Call Presentation October 21, 2021 2 This presentation includes forward-looking statements within the meaning of the ?Safe-Harbor? provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

October 20, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 20, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

October 15, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

October 15, 2021 EX-2.1

Exhibit 2.1

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among UMPQUA HOLDINGS CORPORATION, COLUMBIA BANKING SYSTEM, INC., and CASCADE MERGER SUB, INC. Dated as of October 11, 2021 TABLE OF CONTENTS ARTICLE I THE MERGER 1.1 The Merger 1 1.2 Closing 2 1.3 Effective Time 2 1.4 Effects of the Merger 2 1.5 Conversion of Umpqua Common Stock 2 1.7 Merger Sub Common Stock 3 1.8 Treatment of Umpqua Equity Awards 4

October 15, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: October 15, 2021 (October 11, 2021) (Date of earliest event reporte

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: October 15, 2021 (October 11, 2021) (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Inco

October 15, 2021 425

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2021 COLUMBIA BANKING SYSTEM, INC.

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2021 COLUMBIA BANKING SYSTEM, INC. (Exact name of registrant as specified in its charter) Washington 000-20288 91-1422237 (State or other jurisdiction of incorporation) (Commission File

October 15, 2021 EX-2.1

Agreement and Plan of Merger, dated October 11, 2021, by and among Umpqua Holdings Corporation, Columbia Banking System, Inc. and Cascade Merger Sub, Inc. (incorporated by reference to Exhibit 2.1 of Umpqua Holdings Corporation’s Form 8-K filed with the SEC on October 15, 2021 (File No. 001-34624)).

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among UMPQUA HOLDINGS CORPORATION, COLUMBIA BANKING SYSTEM, INC., and CASCADE MERGER SUB, INC. Dated as of October 11, 2021 TABLE OF CONTENTS ARTICLE I THE MERGER 1.1 The Merger 1 1.2 Closing 2 1.3 Effective Time 2 1.4 Effects of the Merger 2 1.5 Conversion of Umpqua Common Stock 2 1.7 Merger Sub Common Stock 3 1.8 Treatment of Umpqua Equity Awards 4

October 15, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: October 15, 2021 (October 11, 2021) (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Inco

October 14, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

October 14, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

October 14, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

October 12, 2021 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

October 12, 2021 EX-99.1

COLUMBIA BANKING SYSTEM AND UMPQUA HOLDINGS CORPORATION COMBINING TO CREATE THE WEST COAST’S LEADING REGIONAL BANK A Scaled Organization, Positioned to Win in Some of the Country’s Most Attractive Growth Markets Commercial Lending Focus Complemented

Exhibit 99.1 FOR IMMEDIATE RELEASE OCTOBER 12, 2021 COLUMBIA BANKING SYSTEM AND UMPQUA HOLDINGS CORPORATION COMBINING TO CREATE THE WEST COAST?S LEADING REGIONAL BANK A Scaled Organization, Positioned to Win in Some of the Country?s Most Attractive Growth Markets Commercial Lending Focus Complemented by Highly Recognized Retail Franchise Meaningful Value Creation to Shareholders and Strong Pro For

October 12, 2021 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

October 12, 2021 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

October 12, 2021 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

October 12, 2021 EX-99.2

Columbia + UmpquaCombining to create the West Coast’s leading regional bank October 12, 2021 2596936-002 Disclaimer FORWARD-LOOKING STATEMENTSThis communication may contain certain forward-looking statements, including, but not limited to, certain pl

Exhibit 99.2 Columbia + UmpquaCombining to create the West Coast?s leading regional bank October 12, 2021 2596936-002 Disclaimer FORWARD-LOOKING STATEMENTSThis communication may contain certain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed transaction, the plans, objectives, expectations

October 12, 2021 425

Filed by Umpqua Holdings Corporation

Filed by Umpqua Holdings Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.

October 12, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: October 11, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact name of registrant as specified in its charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

October 12, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: October 11, 2021 (Date of earliest event reported) Umpqua Holdings

false000107777100010777712021-10-112021-10-11 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

October 12, 2021 425

Filed by: Columbia Banking System, Inc.

Filed by: Columbia Banking System, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Umpqua Holdings Corporation Commission File No.: 001-34624 This filing relates to the proposed transaction between Umpqua Holdings Corporation (?Umpqua?) and Columbia Banking System, Inc. (?Columbia?) pursuant

October 5, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 5, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Org

October 5, 2021 EX-99.1

Umpqua Holdings Corporation Announces Third Quarter 2021 Earnings Conference Call on October 21st, 2021

Contacts: Jacque Bohlen SVP/Investor Relations Director Umpqua Holdings Corporation 971-334-2518 jacquebohlen@umpquabank.

August 9, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: August 9, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

August 5, 2021 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2021 or

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2021 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings Co

July 21, 2021 EX-99.1

UMPQUA REPORTS SECOND QUARTER 2021 RESULTS

EXHIBIT 99.1 Second quarter 2021 Results ?Net income of $116.1 million, or $0.53 per common share ?Non-PPP loan balances increased $650.5 million or 3.2% ?Deposit balances increased $266.7 million or 1.0% ?Provision for credit losses recapture of $23.0 million as economic conditions improve 00 UMPQUA REPORTS SECOND QUARTER 2021 RESULTS $0.53 $116 17.33% 15.4% Net earnings per diluted common share

July 21, 2021 EX-99.2

Umpqua Holdings Corporation 2nd Quarter 2021 Earnings Conference Call Presentation July 22, 2021 2 This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Ac

Umpqua Holdings Corporation 2nd Quarter 2021 Earnings Conference Call Presentation July 22, 2021 2 This presentation includes forward-looking statements within the meaning of the ?Safe-Harbor? provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

July 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 21, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

July 21, 2021 EX-99.1

UMPQUA HOLDINGS ANNOUNCES APPROVAL OF NEW SHARE REPURCHASE PLAN

FOR IMMEDIATE RELEASE Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Chief Administrative Officer Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

July 21, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 21, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 30, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2021 EX-99.1

Umpqua Holdings Corporation Announces Second Quarter 2021 Earnings Conference Call on July 22nd, 2021

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Chief Administrative Officer Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

June 23, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended DECEMBER 31, 2020 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number.....001-34624 A. Full title of th

May 6, 2021 EX-10.1

Form of 2021 Notice of Performance (TSR) Share Award

UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD ?Participant?: # of Shares subject to this Award (?Shares?): ?Grant Date?: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above.

May 6, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: May 5, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organiz

May 6, 2021 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: March 31, 2021 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings C

April 23, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 20, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

April 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 21, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

April 21, 2021 EX-99.2

Umpqua Holdings Corporation 1st Quarter 2021 Earnings Conference Call Presentation April 22, 2021 2 This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform A

Umpqua Holdings Corporation 1st Quarter 2021 Earnings Conference Call Presentation April 22, 2021 2 This presentation includes forward-looking statements within the meaning of the ?Safe-Harbor? provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

April 21, 2021 EX-99.1

UMPQUA REPORTS FIRST QUARTER 2021 RESULTS

EXHIBIT 99.1 First quarter 2021 Results ?Net income of $107.7 million, or $0.49 per common share ?Loan balances increased $381.5 million or 1.8% ?Deposit balances increased $1.3 billion or 5.1% ?Non-interest expenses decreased by $23.7 million or 11.2% 00 UMPQUA REPORTS FIRST QUARTER 2021 RESULTS $0.49 $108 16.43% 15.9% Net earnings per diluted common share Net income ($ in millions) Return on ave

April 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Umpqua Holdings Corp. Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: March 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒

April 6, 2021 EX-10.2

(e) Form of Employment Agreement with Executive Officers

Exhibit 10.2 AMENDED AND RESTATED EMPLOYMENT AGREEMENT This Amended and Restated Employment Agreement (this ?Agreement?) is entered into by and between Umpqua Holdings Corporation (?Parent?), Umpqua Bank (the ?Company?) and [NAME] (?Executive?) effective as of April 1, 2021 (the ?Effective Date?). Each of Parent, Company and Executive is herein referred to individually as a ?Party? and together as

April 6, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 1, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

April 6, 2021 EX-10.1

(d) Employment Agreement with CEO Cort O'Haver

Exhibit 10.1 AMENDED AND RESTATED EMPLOYMENT AGREEMENT This Amended and Restated Employment Agreement (this ?Agreement?) is entered into by and between Umpqua Holdings Corporation (?Parent?), Umpqua Bank (the ?Company?) and Cort O?Haver (?Executive?) effective as of April 1, 2021 (the ?Effective Date?). Each of Parent, Company and Executive is herein referred to individually as a ?Party? and toget

March 30, 2021 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

March 30, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 30, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

March 5, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

March 5, 2021 DEF 14A

Schedule 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

February 25, 2021 EX-10.8

Form of Notice of Performance Share Award under 2013 Incentive Plan (ROATCE performance)

Exhibit 10.8 UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD ?Participant?: # of Shares subject to this Award (?Shares?): ?Grant Date?: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above. This Notice of Performance Share Award ("Notice") together with the Umpqua Holdings Corporation 2013 Incentive Plan (?Plan?) and the correspo

February 25, 2021 EX-10.6

Form of Restricted Stock Award and Performance Share Award Agreement under 2013 Incentive Plan

Exhibit 10.6 UMPQUA HOLDINGS CORPORATION RESTRICTED STOCK AWARD AGREEMENT Pursuant to the terms of the Notice of Restricted Stock Award or Notice of Performance Share Award (the "Notice") and this Restricted Stock Award Agreement (together with the Notice, the "Agreement" or "Award Agreement"), Umpqua Holdings Corporation, including its Subsidiaries and any successor corporation (the "Company"), g

February 25, 2021 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of Umpqua Holdings Corporation Name of Subsidiary State of Incorporation Other Names Under Which Business is Conducted Umpqua Bank Oregon Umpqua Bank Home Lending, Umpqua Private Bank, Umpqua Bank Equipment Leasing and Finance, Umpqua Bank Mortgage, Umpqua Bank Vendor Finance Financial Pacific Reinsurance Co., Ltd. Washington Umpqua Investments, Inc. Oregon Umpqua Master

February 25, 2021 EX-10.6.A

Form of 2021 Notice of Restricted Stock Award

Exhibit 10.6.a UMPQUA HOLDINGS CORPORATION NOTICE OF RESTRICTED STOCK AWARD ?Participant?: Award Type: Restricted Stock Award Shares Granted: ?Grant Date?: [,] 2021 Plan Name: Umpqua Holdings Corporation 2013 Incentive Plan Effective [], 2021, you have been granted a Restricted Stock Award (the ?Award?) for the number of shares listed above. This Notice of Restricted Stock Award (?Notice?) togethe

February 25, 2021 EX-10.3.C

Third Amendment to Employment Agreement with Tory Nixon dated effective September 28, 2020 (executed October 20, 2020)

EXHIBIT 10.3.c AMENDMENT TO EMPLOYMENT AGREEMENT This Amendment to Employment Agreement (the ?Amendment?) is dated effective September 28, 2020 and amends the Employment Agreement by and between Umpqua Bank and the undersigned officer (as previously amended, the ?Employment Agreement?). 1. The purpose of this Amendment is to extend the term of the Employment Agreement, which is set to expire Decem

February 25, 2021 EX-10.7

Form of Notice of Performance Share Award Agreement under 2013 Incentive Plan (TSR performance)

Exhibit 10.7 UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD ?Participant?: # of Shares subject to this Award (?Shares?): ?Grant Date?: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above. This Notice of Performance Share Award ("Notice") together with the Umpqua Holdings Corporation 2013 Incentive Plan (?Plan?) and the correspo

February 25, 2021 EX-10.14

Employment Agreement between the Company and Lisa White dated effective September 28, 2020

Exhibit 10.14 EMPLOYMENT AGREEMENT This Employment Agreement (this ?Agreement?) is entered into by and between Umpqua Bank (?Umpqua?) and Lisa White (?Officer?) effective as of September 28, 2020. 1.PURPOSE AND DURATION OF AGREEMENT. This purpose of this Agreement is to set forth the terms of Officer?s employment with Umpqua and to provide Officer with certain benefits where Officer?s employment i

February 25, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to . Commission file number: 001-34624 Umpqua Holdings Corpor

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Umpqua Holdings Corp. Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

February 1, 2021 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: February 1, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 20, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 20, 2021 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

January 20, 2021 EX-99.2

Umpqua Holdings Corporation 4th Quarter 2020 Earnings Conference Call Presentation January 21, 2021 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Se

umpqq42020earningspresen Umpqua Holdings Corporation 4th Quarter 2020 Earnings Conference Call Presentation January 21, 2021 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

January 20, 2021 EX-99.1

UMPQUA REPORTS QUARTERLY AND ANNUAL RESULTS Fourth quarter 2020 net income of $150.7 million, or $0.68 per diluted common share Full-year 2020 net loss of $1.5 billion, or $6.92 per diluted common share Annual loan and lease growth of 3% and deposit

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS QUARTERLY AND ANNUAL RESULTS Fourth quarter 2020 net income of $150.7 million, or $0.68 per diluted common share Full-year 2020 net lo

December 30, 2020 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

December 30, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: December 30, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

November 9, 2020 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: November 9, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

November 5, 2020 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2020 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdin

October 23, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 22, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

October 21, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 21, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

October 21, 2020 EX-99.2

Umpqua Holdings Corporation 3rd Quarter 2020 Earnings Conference Call Presentation October 22nd, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private

umpqq32020earningspresen Umpqua Holdings Corporation 3rd Quarter 2020 Earnings Conference Call Presentation October 22nd, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

October 21, 2020 EX-99.1

UMPQUA REPORTS THIRD QUARTER 2020 RESULTS Third quarter 2020 net income of $124.9 million, or $0.57 per common share Mortgage production volume of $2.2 billion and gain on sale of 5.13% Loans currently on deferral decreased to 2.3% of total portfolio

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS THIRD QUARTER 2020 RESULTS Third quarter 2020 net income of $124.9 million, or $0.57 per common share Mortgage production volume of $2

October 1, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 1, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Org

October 1, 2020 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

September 28, 2020 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 28, 2020 (Date of earliest event reported) Umpqua Hol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 28, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or

September 28, 2020 EX-99.1

Steward Partners Expands into Pacific Northwest with Acquisition of Umpqua Investments Steward Partners Global Advisory Group’s Acquisition Adds $3.4 Billion in Client Assets and 23 Advisors to Partnership Deal Establishes Strategic Wealth Advisory A

EXHIBIT 99.1 Steward Partners Expands into Pacific Northwest with Acquisition of Umpqua Investments Steward Partners Global Advisory Group’s Acquisition Adds $3.4 Billion in Client Assets and 23 Advisors to Partnership Deal Establishes Strategic Wealth Advisory Alliance with Umpqua’s Wealth Management Clients WASHINGTON (Sept 28, 2020) — Steward Partners Global Advisory, LLC, an employee-owned, fu

August 10, 2020 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: August 10, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Org

August 6, 2020 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2020 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings Co

July 22, 2020 EX-99.1

UMPQUA REPORTS SECOND QUARTER 2020 RESULTS Second quarter 2020 net income of $52.9 million, or $0.24 per common share Deposit growth of $2.1 billion, or 9.4%; loan and lease growth of $1.4 billion, or 6.7% Generated over 15,000 Paycheck Protection Pr

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS SECOND QUARTER 2020 RESULTS Second quarter 2020 net income of $52.9 million, or $0.24 per common share Deposit growth of $2.1 billion,

July 22, 2020 EX-99.2

Umpqua Holdings Corporation 2nd Quarter 2020 Earnings Conference Call Presentation July 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Secur

umpqq22020erpresentation Umpqua Holdings Corporation 2nd Quarter 2020 Earnings Conference Call Presentation July 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

July 22, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 22, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 30, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 30, 2020 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

June 23, 2020 11-K

- 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended DECEMBER 31, 2019 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number.....001-34624 A. Full title of th

June 17, 2020 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 17, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

June 11, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 8, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organi

June 11, 2020 EX-99.1

Kurt Heath Umpqua Holdings Corporation 503-219-6124 [email protected] UMPQUA BANK PROMOTES TORY NIXON TO PRESIDENT Former chief banking officer to lead Umpqua’s growth strategy Cort O’Haver continues as CEO of Umpqua Bank, Umpqua Holdings Corp

FOR IMMEDIATE RELEASE Media Contact: Kurt Heath Umpqua Holdings Corporation 503-219-6124 KurtHeath@umpquabank.

May 7, 2020 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: March 31, 2020 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings C

May 6, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: May 6, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organiz

April 22, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 22, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

April 22, 2020 EX-99.2

Umpqua Holdings Corporation 1st Quarter 2020 Earnings Conference Call Presentation April 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Secu

umpqq12020earningspresen Umpqua Holdings Corporation 1st Quarter 2020 Earnings Conference Call Presentation April 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

April 22, 2020 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 20, 2020 (Date of earliest event reported) Umpqua Holding

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 20, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

April 22, 2020 EX-99.1

UMPQUA REPORTS FIRST QUARTER 2020 RESULTS Deposit growth of $217.9 million, or 3.9% annualized; loan and lease growth of $55.8 million, or 1.1% annualized Launched COVID-19 support programs for associates, customers, and communities COVID-19 impacts

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS FIRST QUARTER 2020 RESULTS Deposit growth of $217.9 million, or 3.9% annualized; loan and lease growth of $55.8 million, or 1.1% annua

April 7, 2020 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

April 7, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 7, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Organ

April 2, 2020 DEFA14A

UMPQ / Umpqua Holdings Corp. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

March 24, 2020 EX-99.2

BYLAWS UMPQUA HOLDINGS CORPORATION As of March 19, 2020 TABLE OF CONTENTS

BYLAWS OF UMPQUA HOLDINGS CORPORATION As of March 19, 2020 TABLE OF CONTENTS ARTICLE 1 1 Section 1.

March 24, 2020 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA HOLDINGS CORPOR

FOR IMMEDIATE RELEASE Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

March 24, 2020 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 19, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

March 13, 2020 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 13, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Orga

March 5, 2020 DEF 14A

UMPQ / Umpqua Holdings Corp. DEF 14A - - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

March 5, 2020 DEFA14A

UMPQ / Umpqua Holdings Corp. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

February 28, 2020 EX-10.6

Form of Restricted Stock Award Agreement under 2013 Incentive Plan

Exhibit 10.6 UMPQUA HOLDINGS CORPORATION RESTRICTED STOCK AWARD AGREEMENT Pursuant to the terms of the Notice of Restricted Stock Award or Notice of Performance Share Award (the "Notice") and this Restricted Stock Award Agreement (together with the Notice, the "Agreement" or "Award Agreement"), Umpqua Holdings Corporation, including its Subsidiaries and any successor corporation (the "Company"), g

February 28, 2020 EX-4.3

Description of Registrant's Securities

EXHIBIT 4.3 DESCRIPTION OF COMMON STOCK The following is a brief description of the material provisions of Umpqua Holdings Corporation (“Umpqua”) Common Stock. This description is not complete, and is qualified in its entirety by reference to our Restated Articles of Incorporation, as amended, and our amended and restated Bylaws, each of which is incorporated by reference as an exhibit to the Annu

February 28, 2020 EX-10.6.A

Form of Notice of Restricted Stock Award

Exhibit 10.6.a UMPQUA HOLDINGS CORPORATION NOTICE OF RESTRICTED STOCK AWARD “Participant”: [Participant Name] Award Type: Restricted Stock Award Shares Granted: [Number of Awards Granted] “Grant Date”: [Grant Date] Plan Name:Umpqua Holdings Corporation 2013 Incentive Plan Effective [Grant Date], you have been granted a Restricted Stock Award (the “Award”) for the number of shares listed above. Thi

February 28, 2020 EX-10.8

Performance Share Award under 2013 Incentive Plan (ROATCE performance)

UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD “Participant”: # of Shares subject to this Award (“Shares”): “Grant Date”: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above.

February 28, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to . Commission file number: 001-34624 Umpqua Holdings Corpor

February 28, 2020 EX-10.15

Form of Director Restricted Stock Award

EXHIBIT 10.15 UMPQUA HOLDINGS CORPORATION NOTICE OF DIRECTOR RESTRICTED STOCK AWARD “Participant”: Award Type: Restricted Stock Award Shares Subject to Award: “Award Date”: Plan Name: Umpqua Holdings Corporation 2013 Incentive Plan Effective April , 2020, you have been granted a Restricted Stock Award (the “Award”) for the number of shares listed above. This Notice of Restricted Stock Award (“Noti

February 28, 2020 EX-10.7

Performance Share Award Agreement under 2013 Incentive Plan (TSR performance)

EXHIBIT 10.7 UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE SHARE AWARD “Participant”: # of Shares subject to this Award (“Shares”): “Grant Date”: Effective , you have been granted a Performance Share Award ("Award") for the number of Shares listed above. This Notice of Performance Share Award ("Notice") together with the Umpqua Holdings Corporation 2013 Incentive Plan (“Plan”) and the correspo

February 28, 2020 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of Umpqua Holdings Corporation Name of Subsidiary State of Incorporation Other Names Under Which Business is Conducted Umpqua Bank Oregon Umpqua Bank Home Lending, Umpqua Private Bank, Umpqua Bank Equipment Leasing and Finance, Umpqua Bank Mortgage, Umpqua Bank Vendor Finance FPC Leasing Corporation Canada (inactive) Financial Pacific Reinsurance Co., Ltd. Washington Umpq

February 12, 2020 SC 13G/A

UMPQ / Umpqua Holdings Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Umpqua Holdings Corp Title of Class of Securities: Common Stock CUSIP Number: 904214103 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

January 22, 2020 EX-99.2

Umpqua Holdings Corporation 4th Quarter 2019 Earnings Conference Call Presentation January 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Se

umpqq42019earningspresen Umpqua Holdings Corporation 4th Quarter 2019 Earnings Conference Call Presentation January 23, 2020 Forward-looking Statements This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

January 22, 2020 EX-99.1

UMPQUA REPORTS QUARTERLY AND ANNUAL RESULTS Fourth quarter 2019 net income of $83.8 million, or $0.38 per diluted common share Full-year 2019 net income of $354.1 million, or $1.60 per diluted common share Annual loan and lease growth of 4% and depos

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS QUARTERLY AND ANNUAL RESULTS Fourth quarter 2019 net income of $83.8 million, or $0.38 per diluted common share Full-year 2019 net inc

January 22, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: January 22, 2020 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

December 30, 2019 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

December 30, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: December 30, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

December 17, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: December 17, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

December 13, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: December 13, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or O

November 6, 2019 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: September 30, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdin

October 16, 2019 EX-99.2

Umpqua Holdings Corporation 3rd Quarter 2019 Earnings Conference Call Presentation October 17, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Sec

umpqq32019earningspresen Umpqua Holdings Corporation 3rd Quarter 2019 Earnings Conference Call Presentation October 17, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

October 16, 2019 EX-99.1

UMPQUA REPORTS THIRD QUARTER 2019 RESULTS Third quarter 2019 net income of $84.5 million, or $0.38 per common share Deposit growth of $615.7 million, or 11.3% annualized; loan and lease growth of $567.4 million, or 10.8% annualized Operational excell

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS THIRD QUARTER 2019 RESULTS Third quarter 2019 net income of $84.5 million, or $0.38 per common share Deposit growth of $615.7 million,

October 16, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: October 16, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or Or

September 30, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 30, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or

September 30, 2019 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

September 11, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: September 11, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) Oregon 001-34624 93-1261319 (State or Other Jurisdiction of Incorporation or

August 6, 2019 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: June 30, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdings Co

August 6, 2019 EX-10.1

Amendment to Employment Agreements with Ron Farnsworth, Neal McLaughlin, Andrew Ognall and David Shotwell

AMENDMENT TO EMPLOYMENT AGREEMENT This Amendment to Employment Agreement (the “Amendment”) is dated effective July 18, 2019 and amends the Employment Agreement by and between Umpqua Holdings Corporation and the undersigned officer (as previously amended, the “Employment Agreement”).

July 22, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 17, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 000-25597 (C

July 17, 2019 EX-99.2

Umpqua Holdings Corporation 2nd Quarter 2019 Earnings Conference Call Presentation July 18, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securi

umpqq22019992earningspre Umpqua Holdings Corporation 2nd Quarter 2019 Earnings Conference Call Presentation July 18, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

July 17, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: July 17, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 001-34624 (C

July 17, 2019 EX-99.1

UMPQUA REPORTS SECOND QUARTER 2019 RESULTS Second quarter 2019 net income of $111.8 million, or $0.51 per common share Deposit growth of $575.1 million, or 10.8% annualized Loan and lease growth of $547.4 million, or 10.7% annualized Gain on sale of

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS SECOND QUARTER 2019 RESULTS Second quarter 2019 net income of $111.8 million, or $0.51 per common share Deposit growth of $575.1 milli

June 27, 2019 11-K

UMPQ / Umpqua Holdings Corp. 11-K - - 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended DECEMBER 31, 2018 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number.....001-34624 A. Full title of th

June 27, 2019 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

June 27, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 27, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 001-34624 (C

June 13, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: June 13, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 000-25597 (C

May 3, 2019 10-Q

Quarterly Report - 10-Q

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q [X] Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: March 31, 2019 or [ ] Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to . Commission File Number: 001-34624 Umpqua Holdin

April 23, 2019 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 17, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 000-25597 (

April 17, 2019 EX-99.1

UMPQUA REPORTS FIRST QUARTER 2019 RESULTS First quarter 2019 net income of $74.0 million, or $0.34 per common share Non-interest expense decreased 8% from first quarter 2018 Umpqua Next Gen initiatives creating positive operating leverage as shown in

EXHIBIT 99.1 Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] UMPQUA REPORTS FIRST QUARTER 2019 RESULTS First quarter 2019 net income of $74.0 million, or $0.34 per common share Non-interest expense decreased 8%

April 17, 2019 EX-99.2

Umpqua Holdings Corporation 1st Quarter 2019 Earnings Conference Call Presentation April 18, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Secur

umpqq12019earningspresen Umpqua Holdings Corporation 1st Quarter 2019 Earnings Conference Call Presentation April 18, 2019 Forward-looking Statements This presentation includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders.

April 17, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: April 17, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 001-34624 (

March 29, 2019 EX-99.1

Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 [email protected] [email protected] Umpqua Holdings Corpor

Contacts: Ron Farnsworth Drew Anderson EVP/Chief Financial Officer SVP/Investor Relations Director Umpqua Holdings Corporation Umpqua Holdings Corporation 503-727-4108 503-727-4192 ronfarnsworth@umpquabank.

March 29, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 29, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 001-34624 (

March 15, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report: March 15, 2019 (Date of earliest event reported) Umpqua Holdings Corporation (Exact Name of Registrant as Specified in Its Charter) OREGON (State or Other Jurisdiction of Incorporation or Organization) 000-25597 (

February 28, 2019 DEFA14A

UMPQ / Umpqua Holdings Corp. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

February 28, 2019 DEF 14A

UMPQ / Umpqua Holdings Corp. DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

February 21, 2019 EX-10.5A

Third Amendment to Employment Agreement with David Shotwell

THIRD AMENDMENT TO EMPLOYMENT AGREEMENT This Third Amendment to Employment Agreement (the “Amendment”) is dated effective January 1, 2019 and amends the Employment Agreement by and between Umpqua Holdings Corporation (“Umpqua”) and David Shotwell (“Officer”) dated as of January 2, 2009 (as previously amended, the “Employment Agreement”).

February 21, 2019 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of Umpqua Holdings Corporation Name of Subsidiary State of Incorporation Other Names Under Which Business is Conducted Umpqua Bank Oregon Umpqua Bank Home Lending, Umpqua Private Bank, Umpqua Bank Equipment Leasing and Finance, Umpqua Bank Mortgage, Umpqua Bank Vendor Finance FPC Leasing Corporation Canada (inactive) Financial Pacific Reinsurance Co., Ltd. Washington Umpq

February 21, 2019 EX-10.9

Form of Performance Share Award under 2013 Incentive Plan (ROATCE performance)

UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE STOCK AWARD “Participant”: # of Shares subject to this Award (“Shares”): “Grant Date”: Effective , you have been granted a Performance Stock Award ("Award") for the number of Shares listed above.

February 21, 2019 EX-10.12B

Second Amendment to Employment Agreement with Neal McLaughlin dated effective January 1, 2019

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT This Second Amendment to Employment Agreement (the “Amendment”) is dated effective January 1, 2019 and amends the Employment Agreement by and between Umpqua Holdings Corporation (“Umpqua”) and Neal McLaughlin (“Officer”) dated as of March 5, 2008 (as previously amended, the “Employment Agreement”).

February 21, 2019 EX-10.11A

First Amendment to Employment Agreement with Andrew Ognall dated effective January 1, 2019

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This First Amendment (the “Amendment”) is dated effective January 1, 2019 and amends the Employment Agreement by and between Umpqua Holdings Corporation (“Umpqua”) and Andrew Ognall (“Officer”) dated as of May 1, 2014 (the “Employment Agreement”).

February 21, 2019 EX-10.14

Employment Agreement between the Company and Frank Namdar dated as of May 8, 2017

UMPQUA BANK EMPLOYMENT AGREEMENT FOR FRANK NAMDAR Dated as of May 8, 2017 EMPLOYMENT AGREEMENT This Employment Agreement (this "Agreement") is entered into by and between Umpqua Bank ("Umpqua") and Frank Namdar ("Officer") as of May 8, 2017 (the "Effective Date").

February 21, 2019 EX-10.4B

Second Amendment to Employment Agreement with Tory Nixon dated effective January 1, 2019

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT This Second Amendment to Employment Agreement (the “Amendment”) is dated effective January 1, 2019 and amends the Employment Agreement by and between Umpqua Bank (“Umpqua”) and Tory Nixon (“Officer”) dated as of November 23, 2015 (as previously amended, the “Employment Agreement”).

February 21, 2019 EX-10.8

Form of Performance Share Award Agreement under 2013 Incentive Plan (TSR performance)

UMPQUA HOLDINGS CORPORATION NOTICE OF PERFORMANCE STOCK AWARD “Participant”: # of Shares subject to this Award (“Shares”): “Grant Date”: Effective , you have been granted a Performance Stock Award ("Award") for the number of Shares listed above.

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