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): April 28, 2003 -------------- Philadelphia Suburban Corporation ----------------------------------------------- (Exact Name of Registrant Specified in Charter) Pennsylvania 001-06659 23-1702594 -------------------- ----------------------- -------------- (State or Other (Commission File (I.R.S. Employer Jurisdiction of Number) Identification No.) Incorporation) 762 West Lancaster Avenue Bryn Mawr, Pennsylvania 19010-3489 ---------------------------------------- ---------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (610) 527-8000 -------------- Not Applicable ------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report)

Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. (c) Exhibits. 99.1 Press Release, dated April 28, 2003, issued by Philadelphia Suburban Corporation. Item 9. Regulation FD Disclosure. The following information and exhibit are being furnished under "Item 12. Disclosure of Results of Operations and Financial Condition." On April 28, 2003, Philadelphia Suburban Corporation issued a press release announcing that it expects first quarter diluted net income per share to be significantly higher than 2002 levels and also expects to meet the Thomson First Call consensus estimate. The press release is being furnished with this Current Report on Form 8-K as Exhibit 99.1 and is hereby incorporated herein by reference. -2-

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Philadelphia Suburban Corporation By: /s/ Roy H. Stahl ---------------------------------- Roy H. Stahl Executive Vice President and General Counsel Dated: May 1, 2003 -3-

Exhibit Index Exhibit - ------- 99.1 Press Release, dated April 28, 2003, issued by Philadelphia Suburban Corporation.

Exhibit 99.1 Contact: Cheryl Hansen Director, Investor Relations (610) 645-1084 hansenc@suburbanwater.com ------------------------- Barbara Cummings Director, Shareholder Relations (610) 645-1196 cummingsb@suburbanwater.com --------------------------- Donna Alston Manager, Communications (610) 645-1095 alstond@suburbanwater.com ------------------------- PHILADELPHIA SUBURBAN CORPORATION EXPECTS TO ANNOUNCE SIGNIFICANTLY HIGHER EARNINGS FOR THE FIRST QUARTER 2003 BRYN MAWR, PA, April 28, 2003 - Philadelphia Suburban Corporation (NYSE: PSC), is expected to report earnings for the quarter ended March 31, 2003 on Wednesday, May 7. Due to strong revenue growth, the company expects first quarter diluted net income per share to be significantly higher than 2002 levels of $0.17 per share and also expects to meet the Thomson First Call consensus estimate. The company's quarterly conference call with analysts will be held on May 7 at 11:00 a.m. Eastern Daylight Time. Interested parties may listen to the conference call over the Internet by logging onto www.suburbanwater.com. The call will be recorded and replayed beginning 12:00 p.m., Wednesday, May 7, 2003, and will run until 12:00 p.m., Friday, May 9, 2003. The dial-in telephone number for the audio replay is (973) 341-3080 (pin number 3883019). PSC is the largest U.S.-based investor-owned water utility serving two million residents in Pennsylvania, Ohio, Illinois, New Jersey, Maine, and North Carolina. PSC is a publicly traded company listed on both the New York and Philadelphia Stock Exchanges under the ticker symbol "PSC" and has been committed to the preservation and improvement of the environment throughout its history, which spans more than 100 years. This release contains forward looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including, among others, the expectation of reporting earnings on May 7, 2003 and the expected increase in net income per share. There are important factors that could cause actual results to differ materially from those expressed or implied by such forward looking statements, including finalization of results for the period. # # #