Ownership (a) Amount beneficially owned: See responses to Item 9 on each cover page. (b) Percent of Class: See responses to Item 11 on each cover page. (c) Number of shares as to which the Reporting Person has: (i) Sole power to vote or to direct the vote: See responses to Item 5 on each cover page. (ii) Shared power to vote or to direct the vote: See responses to Item 6 on each cover page. (iii) Sole power to dispose or to direct the disposition of: See responses to Item 7 on each cover page. (iv) Shared power to dispose or to direct the disposition of: See responses to Item 8 on each cover page. The reported securities are directly held by Pinnacle Holdings I L.P., Onex Partners IV Select LP, Onex US Principals LP, Onex Partners IV LP, Onex Partners IV GP LP, Onex Partners IV PV LP and Onex Powerschool LP. Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, and Mr. Gerald W. Schwartz may be deemed to beneficially own the shares of Class A Common Stock held directly by Onex Partners IV Select LP, Onex US Principals LP, Onex Partners IV LP, Onex Partners IV GP LP, Onex Partners IV PV LP, Onex Powerschool LP, and Pinnacle Holdings I L.P., through Onex Corporation’s ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners IV GP Limited, the general partner of Onex Partners IV GP LP, the general partner of Onex Partners IV Select LP, Onex Partners IV LP, and Onex Partners IV PV LP, which hold interests in Pinnacle Holdings I L.P.; and through Onex Corporation’s ownership of all of the equity of Onex Private Equity Holdings LLC, which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex Powerschool LP and Onex US Principals LP. Mr.Gerald W. Schwartz, the Chairman, Chief Executive Officer of Onex Corporation, indirectly owns shares representing a majority of the voting rights of the shares of Onex Corporation, and as such may be deemed to beneficially own all of the shares of Class A Common Stock beneficially owned by Onex Corporation. Mr. Schwartz disclaims such beneficial ownership. |