Exhibit 99.1

	Suite 2000 - 1055 West Hastings Street, Vancouver, B.C., V6E 2E9 Canada
	T: +1.604. 331.8772 Toll Free 1.877.529.8475 F: +1.604.331.8773 E: info@oromin.com W: www.oromin.com

May 15, 2013

To:	All Applicable Securities Commissions	“VIA SEDAR”
And	Toronto Stock Exchange

Dear Sirs:

Re: Annual General and Special Meeting

We advise of the following with respect to the upcoming Meeting of Security Holders of the Company:

Meeting Type	:         Annual General and Special Meeting
Class of Securities Entitled to Receive Notice	:         Common Shares
Class of Securities Entitled to Vote	:         Common Shares
CUSIP Number	:         687082107
ISIN	:         CA6870821072
Record Date for Notice	:         June 12, 2013
Record Date for Voting	:         June 12, 2013
Beneficial Ownership Determination Date	:         June 12, 2013
Meeting Date	:         July 17, 2013
Meeting Location	:         Vancouver, BC
Issuer sending proxy related materials directly to NOBO	:         Yes
Issuer paying for delivery to OBO	:         No
Notice and Access for Beneficial Holders	:         No
Notice and Access for Registered Holders	:         No

If you require any further information, please contact the undersigned.

Yours sincerely,

OROMIN EXPLORATIONS LTD.

“Elizabeth Anderson”

Elizabeth Anderson

Senior Administrator

/ea

cc:	Mita Garcia, Computershare Investor Services Inc.
	Peter McArthur/Britt Redenbach, Miller Thomson LLP
	Peter Maloff, Davidson & Company, Chartered Accountants
	U.S. Regulatory Authorities (with Form 6K)
	James G. Stewart/Ian Brown