Pacific Coast Oil Trust Announces Public Offering Of Trust Units By Selling Unitholders

Pacific Coast Oil Trust (NYSE: ROYT) (the “Trust”) announced today that Pacific Coast Energy Company LP (“PCEC”) and other selling unitholders (the “Selling Unitholders”) intend to offer an aggregate of 13,500,000 trust units in an underwritten public offering. PCEC and the Selling Unitholders also expect to grant the underwriters a 30-day option to purchase up to an additional 2,025,000 trust units of the Trust. The Trust will not sell any trust units in the offering and will not receive any proceeds from the offering. PCEC intends to use the net proceeds from the sale of its trust units to pay down a portion of the outstanding borrowings under its senior secured credit facility and the remainder for general limited partnership purposes.

Morgan Stanley, Barclays, J.P. Morgan, Wells Fargo Securities, UBS Investment Bank, BofA Merrill Lynch and RBC Capital Markets will serve as joint book-running managers of this offering. Stifel, Baird, Oppenheimer & Co. and Janney Montgomery Scott will serve as co-managers.

The trust units will be sold pursuant to a prospectus supplement and accompanying prospectus as part of an effective shelf registration statement filed by the Trust with the Securities and Exchange Commission (the “SEC”). Copies of the registration statement can be accessed through the SEC’s website at Copies of the prospectus supplement and accompanying prospectus for this offering may be obtained from the offices of:

Morgan StanleyAttn: Prospectus Department180 Varick Street, 2nd FloorNew York, New York 10014Phone: (866) 718-1649

Barclaysc/o Broadridge Financial Solutions1155 Long Island AvenueEdgewood, New York 11717Phone: (888) 603-5847

J.P. MorganAttn: Broadridge Financial Solutions1155 Long Island AvenueEdgewood, New York 11717Phone: (866) 803-9204

Wells Fargo SecuritiesAttn: Equity Syndicate Department375 Park AvenueNew York, New York 10152Phone: (800) 316-5897

UBS Investment BankAttn: Prospectus Department299 Park AvenueNew York, New York 10171Phone: (888) 827-7275

BofA Merrill LynchAttn: Prospectus Department222 BroadwayNew York, New York 10038

RBC Capital MarketsAttn: Equity SyndicateThree World Financial Center200 Vesey Street, 8th FloorNew York, New York 10281-8098Phone: (877) 822-4089

This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities described above, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction.

About Pacific Coast Oil Trust

Pacific Coast Oil Trust is a Delaware statutory trust formed by PCEC to own net profits interests and an overriding royalty interest in certain oil and gas properties held by PCEC and located in California in the Santa Maria Basin and the Los Angeles Basin.

About Pacific Coast Energy Company

PCEC, formerly named BreitBurn Energy Company L.P., is a privately held Delaware limited partnership engaged in the production and development of oil and natural gas from the Orcutt properties located in the Santa Maria Basin and the East Coyote, Sawtelle, and West Pico properties located in the Los Angeles Basin in California.

Cautionary Statement Regarding Forward-Looking Information

This press release may contain forward-looking statements. All statements other than statements of historical fact contained in this press release are forward-looking statements, including all statements regarding future financial results. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,” “should,” “expect,” “plans,” “project,” “anticipate,” “believe,” “estimate,” “predict,” “intend,” “forecast,” “could,” “potential,” “continue” or the negative of these terms or other similar terms or phrases. Forward-looking statements are not guarantees of future performance and involve known and unknown risks. Factors which may cause the actual results to differ materially from those anticipated at the time the forward-looking statements are made include, but are not limited to: the effect of existing and future laws and regulatory actions, including the failure to obtain necessary

discretionary permits; the effect of changes in commodity prices or in alternative fuel prices; risks associated with the drilling and operation of oil and natural gas wells; the amount of future direct operating expenses and development expenses; the impact of commodity derivative contracts; conditions in the capital markets; competition in the energy industry; uncertainty of estimates of oil and natural gas reserves and production; and cost inflation. Although the Trust believes the expectations reflected in such forward-looking statements are based upon reasonable assumptions, the Trust can give no assurance that the expectations will be attained or that any deviation will not be material. All information is as of the date of this press release, and the Trust undertakes no obligation to update any forward-looking statement to conform the statement to actual results or changes in expectations.

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