MESA AIR GROUP INC — Director's Dealing 2007

May 9, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA AIR GROUP INC (MESA)
CIK: 0000810332
Period of Report: 2007-05-08

Reporting Person: POESCHL JEFF P (Former VP of Finance)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-08	Mesa Common	M	37000	$6	Acquired	0	Direct
2007-05-08	Mesa Common	S	37000	$6.75	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-02	Stock Option (Right to Buy)	$4.9	M	37000	Disposed	2011-12-11	Mesa Common (37000)	Direct