SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 United Financial Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Federal 83-0395247 -------------------------------------- ---------------------------------- (State of Incorporation or Organization) (I.R.S. Employer Identification No.) 95 Elm Street West Springfield, Massachusetts 01089 ------------------------------------------ -------------------------- (Address of Principal Executive Offices) (Zip Code) If this form relates to the If this form relates to the registration of a class of securities registration of a class of securities pursuant to Section 12(b) of the pursuant to Section 12(g) of the Exchange Act and is effective Exchange Act and is effective pursuant to General Instruction pursuant to General Instruction A.(c), please check the following A.(d), please check the following box. [ ] box. [x] Securities Act registration statement file number to which this form relates: 333-123371 Securities to be registered pursuant to Section 12(b) of the Act: None N/A ------------------------------------------------------------------------------ (Title of Class) (Name of Each Exchange on Which Each Class is to be Registered) Securities to be registered pursuant to Section 12(g) of the Act: Common stock, par value $0.01 per share -------------------------------------- (Title of Class) Item 1. Description of Registrant's Securities to be Registered. ---------------------------------------------------------------- For a description of the Registrant's securities, reference is made to "Description of Capital Stock of United Financial Bancorp, Inc.," "Our Policy Regarding Dividends" and "Market for the Common Stock" in the Registrant's Registration Statement on Form S-1, as amended (File No. 333-123371), which is hereby incorporated by reference. For a description of the provisions of the Registrant's Charter and Bylaws that may render a change in control of the Registrant more difficult, reference is made to "Restrictions on the Acquisition of United Financial Bancorp, Inc. and United Bank" in the Registrant's Registration Statement, as amended. Item 2. Exhibits. ----------------- 1. Registration Statement on Form S-1 (Registration Number 333-123371) dated March 16, 2005, as amended on April 27, 2005 and May 13, 2005, is hereby incorporated by reference. 2. Federal Stock Charter (incorporated by reference to Exhibit 3.1 and Exhibit 3.2 of the Registration Statement on Form S-1 as filed on March 16, 2005, as amended on April 27, 2005 and May 13, 2005). 3. Bylaws (incorporated by reference to Exhibit 3.3 of the Registration Statement on Form S-1 as filed on March 16, 2005, as amended on April 27, 2005 and May 13, 2005). 4. Form of Common Stock Certificate (incorporated by reference to Exhibit 4 of the Registration Statement on Form S-1 as filed on March 16, 2005, as amended on April 27, 2005 and May 13, 2005). SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934 the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. UNITED FINANCIAL BANCORP, INC. Date: June 21, 2005 By: /s/ Richard B. Collins ------------------------------------- Richard B. Collins President and Chief Executive Officer