April 26, 2012 Australian-Canadian Oil Royalties Limited Ely Sakhai Post Office Box 1629 Cisco, Texas 76437 Re: Transaction Cost Sharing – Terra Nova Farm-Out Gentlemen:

EXHIBIT 10.2

April 26, 2012

Australian-Canadian Oil Royalties Limited

Xxx Xxxxxx

Post Office Box 1629

Cisco, Texas  76437

Re: Transaction Cost Sharing – Terra Nova Farm-Out

Gentlemen:

In connection with Sections 2.1 and 2.4(a) of the Farm-in Agreement among Holloman Energy Corporation (“Holloman”), Xxx Xxxxxx (“Xxxxxx”), Australian-Canadian Oil Royalties Ltd. (“ACOR”), and Terra Nova Minerals Inc. (“Terra Nova”), dated April __, 2012, (the "Farm-in Agreement"), Terra Nova is obligated to pay Holloman an aggregate cash amount of $350,000 (the “Funds”). Although the Funds are unrestricted, Holloman intends to utilize these proceeds to offset transaction costs related to the pursuit, support and finalization of the Farm-In Agreement (“Transaction Costs”). Without limiting the foregoing, the Transaction Costs are expected to include legal fees, consulting fees, commissions, engineering costs and such other costs as may be incurred for these purposes.

Holloman herewith agrees to provide Xxxxxx and XXXX a full accounting for its use of the Funds. Holloman further agrees to share with Xxxxxx and XXXX, any excess of the Funds over the Transaction Costs.  Any excess of the Funds over the Transaction Costs to be shared between Xxxxxxxx, Xxxxxx and XXXX in accordance with their Working Interest percentages in PEL 112 and PEL 444 at the date of the execution of the Farm-In Agreement.

Very truly,

/s/  Xxxxxx Xxxxxxx

Xxxxxx Xxxxxxx

Chief Financial Officer

Holloman Energy Corporation

ACKNOWLEDGED & AGREED this 27th day of April, 2012

Australian-Canadian Oil Royalties Ltd.

By       /s/ Xxxxx Xxxxxx

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Xxx Xxxxxx

/s/ Xxx Xxxxxx

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000 X. Xxx Xxxxxxx Xxxxxxx Xxxx, Xxxxx 000, Xxxxxxx, Xxxxx 00000