| --- | --- | --- | --- | --- | --- | |----------------|-----------------------------------------|----------------------------------------|-------|-------|-----------------| | | C A L I F O R N I A | WATER SERVICE GROUP INVESTING FOR LIFE | | | CWT LISTED NYSE | | April 28, 2022 | First Quarter 2022 Results Presentation | | | | | | | | | | | | 1 Forward-Looking Statements This presentation contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ 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 1-13883 CALIFORNIA WATER SERVICE GROUP (Exact name of registrant as specified in its charter) Delaware 77-0448994 ...

California Water Service Group (NYSE:CWT) Q4 2021 Earnings Conference Call February 24, 2022 11:00 AM ET Company Participants Dave Healey - VP, Corporate Controller Thomas Smegal - VP & CFO Martin Kropelnicki - President & CEO Paul Townsley - VP, Corporate Development & CRO Conference Call Participants Ben Kallo - Baird Disclaimer*: This transcript is designed to be used alongside the freely available audio recording on this page. Timestamps within the transcript are designed to help you navigate the audio ...

| --- | --- | --- | --- | --- | --- | |-------|-------|-------------------------------------------------------------------------|-------|-------|-------| | | | | | | | | | | | | | | | | | | | | | | | | Full Year & Fourth Quarter 2021 Results Presentation February 24, 2022 | | | | | | | | | 0 | | Forward-Looking Statements 1 This presentation contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 ("Act"). The forward-looking statements are i ...

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents Title of Each Class: Trading Symbol(s) Name of Each Exchange on Which Registered: Common Stock, $0.01 par value per share CWT New York Stock Exchange 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 SECU ...

California Water Service Group (NYSE:CWT) Q3 2021 Earnings Conference Call October 28, 2021 11:00 AM ET Company Participants Dave Healey - VP, Corporate Controller Martin Kropelnicki - President & CEO Thomas Smegal - VP & CFO Paul Townsley - VP, Corporate Development & CRO Conference Call Participants Ben Kallo - Baird Jonathan Reeder - Wells Fargo Angie Storozynski - Seaport Operator Good day and thank you for standing by. Welcome to the California Water Service Group Q3 2021 Earnings Call. At this time, a ...

| --- | --- | --- | --- | --- | --- | --- | |-------|-----------------------------------------------------------|-------|-------|-------|-------|-------| | | | | | | | | | | | | | | | | | | | | | | | | | | Third Quarter 2021 Results Presentation October 28, 2021 | | | | | | | | | | | | 0 | | Forward-Looking Statements 1 This presentation contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 ("Act"). The forward-looking statements are inten ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ 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 1-13883 CALIFORNIA WATER SERVICE GROUP (Exact name of registrant as specified in its charter) Delaware 77-0448 ...

Table of Contents Title of Each Class: Trading Symbol(s) Name of Each Exchange on Which Registered: Common Stock, $0.01 par value per share CWT New York Stock Exchange Large accelerated filer ☒ Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 3 ...

California Water Service Group (NYSE:CWT) Q1 2021 Results Conference Call April 29, 2021 11:00 AM ET Company Participants David Healey - VP and Corporate Controller Martin Kropelnicki - President and CEO Thomas Smegal - VP and CFO Paul Townsley - VP, Corporate Development and Chief Regulatory Officer Conference Call Participants Ben Kallo - Baird Operator Hello, and welcome to the California Water Service Group Q1 2021 Results Conference Call. [Operator Instructions] It is now my pleasure to turn today's ca ...