Common use of SUMMARY COMPENSATION TABLE Clause in Contracts

SUMMARY COMPENSATION TABLE. LONG-TERM COMPENSATION AWARDS(2) ------------ ANNUAL COMPENSATION SECURITIES FISCAL ------------------------- UNDERLYING ALL OTHER NAME AND PRINCIPAL POSITION YEAR SALARY($)(1) BONUSES($) OPTIONS COMPENSATION --------------------------- ------ ------------ ---------- ------------ ------------ Case▇ ▇. ▇▇▇▇▇▇.......................... 2000 279,994 692,000 125,000 0 President, Chief Executive 1999 237,224 115,000 600,000 0 Officer and Director 1998 198,013 60,000 0 0 Chri▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇................... 2000 224,978 168,000 175,000 0 Vice President, Sales 1999 264,421 58,000 350,000 0 1998 275,065 48,975 119,800(3) 0 Stev▇▇ ▇. ▇▇▇▇▇▇▇........................ 2000 229,996 227,000 200,000 0 Senior Vice President, 1999 219,200 48,000 140,000 0 Operations 1998 199,950 40,000 0 0 Lawr▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇.D.................. 2000 249,990 168,000 175,000 0 Chief Technical Officer 1999 241,129 76,000 400,000 0 1998 213,832 40,000 300,000(4) 0

SUMMARY COMPENSATION TABLE. LONG-TERM COMPENSATION AWARDS(2) ------------ AWARDS ANNUAL COMPENSATION SECURITIES FISCAL ------------------------- UNDERLYING ALL -------------------- ------------------------------------------ RESTRICTED OTHER NAME AND PRINCIPAL POSITION YEAR SALARY($)(1) BONUSES($) OPTIONS COMPENSATION --------------------------- ------ ------------ ANNUAL STOCK ------------------ ---- ------- --------- ------------- ---------- ------------ ------------ Case------- ▇▇▇▇ ▇. ▇▇▇▇▇▇.......................... ▇▇........................ 2000 279,994 692,000 125,000 0 President, 771,000 1,613,401 -- -- 207,254(1) Chairman and Chief 1999 521,000 1,750,000 -- -- 232,500 Executive 1999 237,224 115,000 600,000 0 Officer and Director 1998 198,013 60,000 0 0 Chri446,000 550,000 -- -- 187,500 ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇................... .................... 2000 224,978 168,000 175,000 0 Vice President, Sales 1999 264,421 58,000 350,000 0 1998 275,065 48,975 119,800(3746,000 1,613,401 -- -- 346,024(2) 0 Stev▇▇ ▇. ▇▇▇▇▇▇▇........................ 2000 229,996 227,000 200,000 0 Senior Vice PresidentChief Operating Officer, 1999 219,200 48,000 140,000 0 Operations 496,000 1,750,000 -- -- 394,500 President and Secretary 1998 199,950 40,000 0 0 Lawr421,000 550,000 -- -- 187,500 ▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇.D.................. ...................... 2000 249,990 168,000 175,000 0 225,000 140,000 -- -- 211,700(3) Executive Vice President and 1999 155,000 130,000 -- -- 42,500 Chief Technical Financial Officer 1999 241,129 76,000 400,000 0 1998 213,832 40,000 300,000(4) 0135,000 45,000 -- -- -- ---------------