Filed by LinnCo, LLC and Linn Energy, LLC

Commission File Nos. 001-35695 and 000-51719

Pursuant to Rule 425 Under the Securities Act of 1933

And Deemed Filed Pursuant to Rule 14a-12

Under the Securities Exchange Act of 1934

Subject Company: Berry Petroleum Company

Commission File No. 001-09735

Berry Petroleum Town Hall Meetings Berry Petroleum Town Hall Meetings February 22, 2013 February 22, 2013

Mark Ellis Mark Ellis Chairman, President and Chief Chairman, President and Chief Executive Officer Executive Officer

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Our Values Our Values 4 Embrace and Drive Change Pursue Growth Take Action Respect Others Be Passionate Connect

Who We Are Who We Are Connected to our employees, families and communities A top-10 MLP/LLC A top-15 independent oil and natural gas E&P Passionate about leading the business sector we started Embrace new employees and provide all employees with opportunities to grow personally and professionally Grow through acquisitions and organic activities Maintain our financial stability Operate in a manner that protects employees, contractors, the public and environment Dedicated employees with ownership in the company driving our growth A company that takes action Investors who are confident in our business model A sustainable asset inventory 5 LINN Energy is… LINN Energy has… LINN Energy will…

Our Strategy Our Strategy Focus on U.S. onshore basins  providing significant opportunities for future growth and consolidation Target acquisitions providing long-life, high-quality production with predictable decline curves and low- risk development opportunities Organically grow reserves and production Reduce cash flow volatility through hedging LINN’s primary business objective is to provide stability and growth of distributions to our unitholders (LINE) and shareholders (LNCO) 6

MLP MLP and and Independent Independent E&P E&P Rankings Rankings Note: Market data as of February 20, 2013 (LINE and LNCO closing price of $36.65 and $36.99, respectively). Source: Bloomberg. (1) Pro forma for merger. LINN is one of the largest MLP and independent E&P companies 7 largest public MLP/LLC 11 largest domestic independent oil & natural gas company 7 Rank Master Limited Partnership Enterprise Value ($MM) Rank Independent E&P Enterprise Value ($MM) 1. Enterprise Products Partners $60,375 1. ConocoPhillips $89,597 2. Kinder Morgan Energy Partners $46,756 2. Occidental Petroleum Corp. $64,934 3. Energy Transfer Equity $38,964 3. Anadarko Petroleum Corp. $52,281 4. Williams Partners $26,732 4. Apache Corp. $41,773 5. Plains All American Pipeline $24,767 5. EOG Resources Inc. $39,943 6. Energy Transfer Partners $22,574 6. Chesapeake Energy Corp. $34,955 7. LINN Energy LLC (Pro Forma) $18,943 7. Marathon Oil Corporation $26,927 8. ONEOK Partners $17,173 8. Devon Energy Corporation $24,449 9. Enbridge Energy Partners $14,874 9. Noble Energy Inc. $22,575 10. El Paso Pipeline Partners $13,363 10. Pioneer Natural Resources Co. $19,920 11. Magellan Midstream Partners $11,658 11. LINN Energy LLC (Pro Forma) $18,943 12. Markwest Energy Partners $9,470 12. Continental Resources Inc. $17,937 13. Boardwalk Pipeline Partners $8,848 13. Range Resources Corp. $14,274 14. Buckeye Partners $7,234 14. Southwestern Energy Co. $13,163 15. Sunoco Logistics Partners $6,851 15. Cabot Oil & Gas Corp. $12,312 16. Access Midstream Partners $6,667 16. Concho Resources Inc. $11,890 17. Western Gas Partners $6,569 17. Murphy Oil Corp. $11,241 18. Amerigas Partners $6,448 18. EQT Corp. $11,066 19. Cheniere Energy Partners $5,770 19. Plains Exploration & Production $10,094 20. Regency Energy Partners $5,655 20. Denbury Resources Inc. $10,033 21. Targa Resources Partners $5,404 21. Cobalt International Energy $9,155 22. Nustar Energy LP $5,228 22. Sandridge Energy Inc. $8,803 23. Teekay LNG Partners $5,159 23. QEP Resources Inc. $8,595 24. Copano Energy LLC $4,521 24. Whiting Petroleum Corp. $7,298 25. Genesis Energy LP $4,435 25. Newfield Exploration Co. $6,546 th th

LINN Energy – LINN Energy – A Premier U.S. A Premier U.S. Independent E&P Company Independent E&P Company 8 Daily Production of E&P Peers (1) Proved Reserves of E&P Peers (1) Increases LINN’s size and scale among leading, independent E&P companies Now one of the largest producers of hydrocarbons in the United States Source: Company press releases and SEC filings. (1) Reserves and production data includes most recent information released by listed companies.

Growth Through Acquisitions Growth Through Acquisitions ~$10 billion in acquisitions completed since the Company’s inception in 2003 Includes 54 separate transactions (1) Proven track record of successful acquisitions and integrations (1) Includes 15 acquisitions comprising the Appalachian Basin properties sold in July 2008. (2) Based on total consideration. (3) Plains Exploration acquisitions based on total consideration.  Closed 2012 acquisitions and $400 million of Anadarko’s development costs related to the Salt Creek JV based on contract price. Historical Acquisitions and Joint Venture Total ~$5.9 Billion Since 2009 9

LINN and Berry Transaction LINN and Berry Transaction Terms Terms Strategic Benefits Strategic Benefits Timing Timing Stock-for-stock transaction for total consideration of $4.3 billion, including the assumption of debt First strategic use of newly formed LinnCo shares as consideration in a corporate acquisition Clear path to completion Subject to approval by shareholders of Berry Petroleum and LinnCo and unitholders of LINN Energy, as well as customary closing conditions, including certain regulatory approvals Expected to close June 30, 2013 Operational: Increase in size and scale with significant geographic expansion, long-lived, mature asset portfolio, increase in liquids exposure, proved reserves and production Financial: Immediately accretive, improved leverage metrics, tax efficient transaction to LINN Energy 10

Why Berry?  A Strong Combination Why Berry?  A Strong Combination 11 Excellent MLP Asset Strategic Fit With Our Business Model Platform for Growth Large acquisition of low-decline assets with attractive inventory Production is 75% liquids with excellent operating margins Liquids reserves to increase 55% Gas reserves to increase 17% More than half of our revenues will be driven by crude oil Talented workforce and technical team familiar with operating areas and assets Complementary operating areas to existing LINN operations Increased geographic presence in California, Permian Basin, East Texas, Rockies Immediately accretive Total production to increase 30% Proved reserves to increase 34% Proved reserves to total 6.5 Tcf equivalent (1.1 billion barrels of oil equivalent), with 54% oil and NGLs and 46% natural gas All-stock deal allows LINN to improve debt metrics with potential access to high-grade capital programs

Arden Walker Arden Walker Executive Vice President and Chief Executive Vice President and Chief Operating Officer Operating Officer

13 Note: All operational and reserve data as of December 31, 2012. Williston / Powder River Basins • 31 MMBoe proved reserves • 4% of total reserves • 92% liquids California • 30 MMBoe proved reserves • 4% of total reserves • 92% liquids Permian Basin • 67 MMBoe proved reserves • 8% of total reserves • 81% liquids Michigan / Illinois • 266 Bcfe proved reserves • 6% of total reserves • 97% natural gas LINN Overview LINN Overview Mid-Continent • 1,648 Bcfe proved reserves • 34% of total reserves • 51% natural gas Hugoton Basin • 1,010 Bcfe proved reserves • 21% of total reserves • 56% natural gas East Texas • 82 Bcfe proved reserves • 2% of total reserves • 82% natural gas Green River Basin • 1,017 Bcfe proved reserves • 21% of total reserves • 72% natural gas

Where We Will Operate Where We Will Operate Expanded presence in California, Permian Basin, East Texas and Rockies and addition of attractive new core area in the Uinta Basin 14 Corporate Headquarters (Houston) NM TX KS IL LA MI ND OK CA WY LINN Operations Recently Acquired Assets UT CO Note: All operational and reserve data as of December 31, 2012, pro forma for merger. Permian Basin California Uinta Basin Piceance Basin East Texas

Tom Emmons Tom Emmons Vice President, Corporate Services Vice President, Corporate Services (Human Resources, EH&S, Supply Chain Management, (Human Resources, EH&S, Supply Chain Management, Facilities, Admin. Services, Community Relations and Facilities, Admin. Services, Community Relations and Internal Communications) Internal Communications) 15

What Happens Next? What Happens Next? Combined company will retain LINN Energy name Headquarters to remain in Houston and will maintain an operating presence in Denver LINN/Berry integration team to develop a detailed and thoughtful plan to ensure a seamless combination Compensation and benefits philosophy We will make every effort to keep you informed as things develop and progress 16

What Happens Next? What Happens Next? 17 Today through Closing February 25 – March 11 March 12 – April 12 Mid to Late June June 30 and other closing conditions LINN and Berry will operate as two independent companies Leadership team discussions and organizational decisions Berry and LinnCo shareholder meetings and LINN Energy unitholder meeting for approval Expected close of transaction, following all customary regulatory requirements All employee discussions and organizational decisions

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Additional Information about the Proposed Transactions and Where to Find It

In connection with the proposed transactions, LinnCo intends to file with the SEC a registration statement on Form S-4 that will include a joint proxy statement of LinnCo, LINN and Berry that also constitutes a prospectus of LinnCo. Each of Berry, LINN and LinnCo also plan to file other relevant documents with the SEC regarding the proposed transactions. INVESTORS ARE URGED TO READ THE JOINT PROXY STATEMENT/PROSPECTUS AND OTHER RELEVANT DOCUMENTS FILED WITH THE SEC IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. You may obtain a free copy of the joint proxy statement/prospectus (if and when it becomes available) and other relevant documents filed by Berry, LINN and LinnCo with the SEC at the SEC’s website at www.sec.gov. You may also obtain these documents by contacting LINN’s and LinnCo’s Investor Relations department at (281) 840-4193 or via e-mail at ir@linnenergy.com or by contracting Berry’s Investor Relations department at (866) 472-8279 or via email at ir@bry.com.

Participants in the Solicitation

Berry, LINN and LinnCo and their respective directors and executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies in respect of the proposed transactions. Information about LINN’s directors and executive officers is available in LINN’s proxy statement dated March 12, 2012, for its 2012 Annual Meeting of Unitholders. Information about LinnCo’s directors and executive officers is available in LinnCo’s Registration Statement on Form S-1 dated June 25, 2012, as amended, with respect to its initial public offering of common shares. Information about Berry’s directors and executive officers is available in Berry’s proxy statement dated April 6, 2012, for its 2012 Annual Meeting of Stockholders. Other information regarding the participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the joint proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the proposed transactions when they become available. Investors should read the joint proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions. You may obtain free copies of these documents from Berry, LINN or LinnCo using the sources indicated above.

This document shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the U.S. Securities Act of 1933, as amended.

Cautionary Note Regarding Forward-Looking Statements

This document contains forward-looking statements concerning the proposed transactions, its financial and business impact, management’s beliefs and objectives with respect thereto, and management’s current expectations for future operating and financial performance, based on assumptions currently believed to be valid. Forward-looking statements are all statements other than statements of historical facts. The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” “intends,” “likely,” “will,” “should,” “to be,” and any similar expressions or other words of similar meaning are intended to identify those assertions as forward-looking statements. It is uncertain whether the events anticipated will transpire, or if they do occur what impact they will have on the results of operations and financial condition of LINN, LinnCo, Berry or of the combined company. These forward-looking statements involve significant risks and uncertainties that could cause actual results to differ materially from those anticipated, including but not limited to the ability of the parties to satisfy the conditions precedent and consummate the proposed transactions, the timing of consummation of the proposed transactions, the ability of the parties to secure regulatory approvals in a timely manner or

on the terms desired or anticipated, the ability of LINN to integrate the acquired operations, the ability to implement the anticipated business plans following closing and achieve anticipated benefits and savings, and the ability to realize opportunities for growth. Other important economic, political, regulatory, legal, technological, competitive and other uncertainties are identified in the documents filed with the SEC by Berry, LINN and LinnCo from time to time, including their respective Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K. The forward-looking statements including in this document are made only as of the date hereof. None of Berry, LINN nor LinnCo undertakes any obligation to update the forward-looking statements included in this document to reflect subsequent events or circumstances.