1 ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Mark One) [x] Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 1998. or [ ] Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 [No Fee required] For the transition period from ______________ to ______________ Commission File No. 1-13998 Administaff, Inc. (Exact name of registrant as specified in its charter) Delaware 76-0479645 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 19001 Crescent Springs Drive Kingwood, Texas 77339 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) (Registrant's Telephone Number, Including Area Code): (281) 358-8986 Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ] Number of shares outstanding of each of the issuer's classes of common stock, as of May 4, 1998: 14,467,691 shares. ================================================================================ 2 SIGNATURES 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 thereunto duly authorized. Administaff, Inc. Date: July 22, 1998 By: /s/ Richard G. Rawson --------------------------------------- Richard G. Rawson Executive Vice President and Chief Financial Officer (Principal Financial Officer) Date: July 22, 1998 By: /s/ Samuel G. Larson ----------------------------------------- Samuel G. Larson Vice President, Finance (Principal Accounting Officer) 3 INDEX TO EXHIBITS EXHIBIT NUMBER DESCRIPTION ------ ----------- 3.1 Certificate of Designations of Series A Junior Participating Preferred Stock of Administaff, Inc. dated February 4, 1998 (incorporated by reference to Exhibit 2 to the Registrant's Form 8-A filed on February 5, 1998). 4.1 Rights Agreement dated as of February 4, 1998 between Administaff, Inc. and Harris Trust and Savings Bank as Rights Agent (incorporated by reference to Exhibit 1 to the Registrant's Form 8-A filed on February 5, 1998). 4.2 Securities Purchase Agreement between Administaff, Inc. and American Express Travel Related Services Company, Inc., dated January 27, 1998 and the Letter Agreement between Administaff, Inc. and American Express Travel Related Services Company, Inc., dated March 10, 1998 amending the Securities Purchase Agreement. 4.3 Registration Rights Agreement between Administaff, Inc. and American Express Travel Related Services Company, Inc., dated March 10, 1998. 4.4 Warrant Agreement between Administaff, Inc. and American Express Travel Related Services Company, Inc., dated March 10, 1998. 4.5 Warrant Certificate No. 1, evidencing that American Express Travel Related Services Company, Inc. is the registered holder of 400,000 warrants to purchase 400,000 shares of the common stock of Administaff, Inc. 4.6 Warrant Certificate No. 2, evidencing that American Express Travel Related Services Company, Inc. is the registered holder of 400,000 warrants to purchase 400,000 shares of the common stock of Administaff, Inc. 4.7 Warrant Certificate No. 3, evidencing that American Express Travel Related Services Company, Inc. is the registered holder of 400,000 warrants to purchase 400,000 shares of the common stock of Administaff, Inc. 4.8 Warrant Certificate No. 4, evidencing that American Express Travel Related Services Company, Inc. is the registered holder of 400,000 warrants to purchase 400,000 shares of the common stock of Administaff, Inc. 4.9 Warrant Certificate No. 5, evidencing that American Express Travel Related Services Company, Inc. is the registered holder of 465,515 warrants to purchase 465,515 shares of the common stock of Administaff, Inc. **10.1 Marketing Agreement between American Express Travel Related Services Company, Inc., Administaff, Inc., and Administaff of Texas, Inc. dated March 10, 1998. 27 Financial Data Schedule. -------------------------------- ** Filed Herewith