X0202 4 2007-09-27 0001084876 RAE SYSTEMS INC RAE 0001399913 Kopp LeRoy C 7701 FRANCE AVENUE SOUTH SUITE 500 EDINA MN 55435 0 0 1 0 Common Stock 2007-09-27 4 P 0 6000 3.216 A 51000 I By Spouse Common Stock 400000 I By Kopp Holding Company Common Stock 874500 D These shares are held indirectly by Mr. Kopp by virtue of his position as the control person and 100% owner of Kopp Holding Company, a Minnesota corporation. The filing of this report shall not be deemed an admission that Mr. Kopp is the beneficial owner of these shares for purposes of Section 16 of the Exchange Act of 1934. John P. Flakne (pursuant to Power of Attorney previously filed) 2007-10-01