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 MINE SAFETY APPLIANCES COMPANY -------------------------------------------------------------- (Exact name of registrant as specified in its charter) Pennsylvania 25-0668780 ------------------------ ------------------------------------ (State of incorporation) (I.R.S. Employer Identification No.) 121 Gamma Drive RIDC Industrial Park O'Hara Township Pittsburgh, PA 15238 ------------------------------------------------ (Address of principal executive offices) Securities to be registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which to be so registered each class is to be registered Common Stock, no par value American Stock Exchange, Inc. - ------------------------------------------------------------------------------- If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box: [X] If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box: [_] Securities Act registration statement file number to which this form relates: None Securities to be registered pursuant to Section 12(g) of the Act: None ---------------------------------------------------------------------------- (Title of class)
Item 1. Description of Registrant's Securities to be registered. The description of the registrant's Common Stock contained in Item 5 of its Quarterly Report on Form 10-Q for the quarter ended September 30, 1998 is incorporated herein by reference. Item 2. Exhibits. Not applicable. SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this amendment to its registration statement to be signed on its behalf by the undersigned, thereunto duly authorized. MINE SAFETY APPLIANCES COMPANY Date: December 27, 1999 By /s/ James E. Herald ----------------------- ------------------------------ James E. Herald Vice President - Finance -2-