X0202 4 2005-04-14 0 0001111665 TELECOMMUNICATION SYSTEMS INC /FA/ TSYS 0001237090 TOSE MAURICE B C/O TELECOMMUNICATION SYSTEMS, INC. 275 WEST STREET ANNAPOLIS MD 21401 1 1 1 0 Chairman, President & CEO Class B Common Stock 2005-04-14 2005-04-29 4 S 0 3400 2.37 D Class A Common Stock 3400 7973406 D Class B Common Stock 2005-04-14 2005-04-29 4 S 0 100 2.40 D Class A Common Stock 100 7973306 D Class B Common Stock 2005-04-27 4 S 0 300 2.31 D Class A Common Stock 300 7973006 D Class B Common Stock Class A Common Stock 25142 25142 I By Children Class B Common Stock Class A Common Stock 215753 215753 I By Trust The shares of Class B Common Stock are convertible, at any time, at the option of the holder, into shares of Class A Common Stock on a one-for-one basis. On April 29, 2005, the Reporting Person was notified that his 10b5-1 selling plan administrator had sold 3.500 shares of Class B-converted-to-Class A Common Stock in an open market transaction at an average sale price of $2.3709. These shares were sold under a 10b5-1 selling plan. Shares of Class B Common Stock automatically converted into an equal number of shares of Class A Common Stock immediately upon the sale. These shares are held by Mr. Tose's children. Mr. Tose disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Tose is the beneficial owner of such securities for the purposes of Section 16 or any other purpose. These shares are held in an irrevocable trust for the benefit of Mr. Tose's children. Mr. Tose is the settlor and Mr. Tose's spouse is the trustee of the trust. Mr. Tose disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Tose is the beneficial owner of such securities for the purposes of Section 16 or any other purpose. /s/ Bruce A. White, by Power-of-Attorney 2005-04-29