CALIFORNIA WATER SERVICE GROUP

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Submission of Matters to a Vote of Security Holders

Regulation FD Disclosure

Other Events

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Additional Information for Proxy Statement/ Votes

Annual Report Scanned (Paper)

Definitive Proxy Statement

Other Events

Regulation FD Disclosure

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Other Events

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Regulation FD Disclosure

Submission of Matters to a Vote of Security Holders

Entry into a Material Definitive Agreement

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Additional Information for Proxy Statement/ Votes

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Shareholder Letter

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

General form for quarterly reports under Section 13 or 15(d)

Shareholder Letter

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Automatic Shelf Registration

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Additional Information for Proxy Statement/ Votes

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Letter from the SEC

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Correspondence with the SEC

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Free Writing Prospectus

HAMNER KRISTAN A

KROPELNICKI MARTIN A

Lynch James Patrick

Luu Michael B

Mortensen Michelle R

Dean Shannon C

Ouyang Elissa Y

Mares Michael S JR

Scanlon Thomas A

Peters Todd Kenneth

Bunting Shawn C

Jenkins Kenneth G

James Sophie Marwieh

Snow Lester A

Krummel Thomas M

Krummel Thomas M

Shimansky Gregory Dale

Shimansky Gregory Dale

KROPELNICKI MARTIN A