X0202 5 2007-12-31 0 0 0 0000866970 LIGHTING SCIENCE GROUP CORP LSGP 0001074076 LUSK RONALD E 2100 MCKINNEY AVE. SUITE 1515 DALLAS TX 75201 1 0 0 0 Common Stock 2007-08-31 5 G 0 1500000 0.42 D 5311793 I 2BOYSAB Trust Includes: (i) 125,000 shares issuable by the issuer to Mr. Lusk pursuant to the exercise of warrants of the issuer at an exercise price of price of $0.30 per share; (ii) 50,000 shares issuable by the issuer to Mr. Lusk pursuant to the exercise of warrants of the issuer at an exercise price of $1.50 per share; (iii) 200,000 shares issuable by the issuer to Mr. Lusk pursuant to the exercise of options of the issuer at an exercise price of $0.32 per share (two-thirds of which are vested and one-third of which will vest on 2/20/08); and 275,000 warrants issuable by the issuer to Mr. Lusk pursuant to the exercise of warrants of the issuer at an exercise price of price of $0.30 per share. The closing price on the date of the gift was $0.42 per share. All shares noted in this report are expressed in terms of the pre-reverse-split number of shares. The issuer initiated a 1-for-20 reverse split with an effective date on or about January 25, 2008. Ronald E. Lusk 2008-01-25