EVOLUTION PETROLEUM CORP — Director's Dealing 2006

May 17, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NATURAL GAS SYSTEMS INC/NEW (NGSY)
CIK: 0001006655
Period of Report: 2006-05-10

Reporting Person: Dozier William (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-05-10	Stock Option (right to buy)	$3.03	A	25000	Acquired	2016-05-10	common stock (25000)	Direct

Footnotes

F1: Stock option vests 50% on the first anniversary of grant and 50% on the second anniversary of grant.