caused to be made by members of the Equifax Group, as they shall deem appropriate without any obligation to any member of the Equifax Group or other restriction. The Certegy Group may in particular distribute and manufacture, or cause to be manufactured or distributed by any third party, any such enhancements and/or Licensed Certegy Materials. Section 4.6. Data. In no event shall any member of either Group be deemed to have been granted any rights under this Agreement in or to any data owned or maintained by any other member of the other Group, except as specifically provided in Sections 2.1 or 2.2. The respective rights of the members of each Group in and to such data shall be governed exclusively by Sections 2.1 or 2.2 and the Intercompany Data Purchase Agreement. Section 4.7. Mutual Obligations. (a) The parties agree and acknowledge that, in addition to the rights granted or to be granted to the parties herein, certain other rights to software source code, object code and documentation, and trademarks and service marks related thereto, are described on Exhibit M. (b) The parties acknowledge and agree that as of the Closing Date, the UK mainframe environment, consisting of mainframe computer hardware ("Mainframe Hardware") and certain third party software ("OEM Software"), currently consists of three (3) logical partitions ("LPARs"), two (2) of which are shared between Equifax and Certegy. The parties acknowledge and agree that certain OEM Software ("MIPS-Based Software") being used on the Mainframe Hardware contains limitations based upon the number of millions of instructions per second ("MIPS") performed; other OEM Software ("CPU-Based Software") being used on the Mainframe Hardware contains limitations based upon CPU group ratings. The parties also acknowledge and agree that they have previously determined the number of MIPS available, for each party, in excess of the