Exhibit 99.1

Lubrizol Announces Release Date
for First Quarter 2011 Earnings

CLEVELAND, April 7, 2011 — The Lubrizol Corporation (NYSE: LZ) will release earnings results for the first quarter of 2011 on Wednesday, April 27, after the close of markets. The company will not conduct an investor teleconference to discuss the results.

About The Lubrizol Corporation

The Lubrizol Corporation (NYSE: LZ) is an innovative specialty chemical company that produces and supplies technologies to customers in the global transportation, industrial and consumer markets. These technologies include lubricant additives for engine oils, other transportation-related fluids and industrial lubricants, as well as fuel additives for gasoline and diesel fuel. In addition, Lubrizol makes ingredients and additives for personal care products and pharmaceuticals; specialty materials, including plastics technology and performance coatings in the form of specialty resins and additives. Lubrizol’s industry-leading technologies in additives, ingredients and compounds enhance the quality, performance and value of customers’ products, while reducing their environmental impact.

With headquarters in Wickliffe, Ohio, The Lubrizol Corporation owns and operates manufacturing facilities in 17 countries, as well as sales and technical offices around the world. Founded in 1928, Lubrizol has approximately 6,900 employees worldwide. Revenues for 2010 were $5.4 billion. For more information, visit www.lubrizol.com.

Forward-Looking Statements

This release contains forward-looking statements within the meaning of the federal securities laws. As a general matter, forward-looking statements relate to anticipated trends and expectations rather than historical matters. Forward-looking statements are subject to uncertainties and factors relating to Lubrizol’s operations and business environment that are difficult to predict and may be beyond the control of Lubrizol. Such uncertainties and factors may cause actual results to differ materially from those expressed or implied by forward-looking statements. Uncertainties and risk factors that could affect the future performance of Lubrizol and cause results to differ from the forward-looking statements in this release include, but are not limited to, Lubrizol’s ability to manage margins in an environment of volatile raw material costs; conditions affecting Lubrizol’s customers, suppliers and the industries that it serves; competitors’ responses to Lubrizol’s products; changes in accounting, tax or regulatory practices or requirements; other factors that are set forth in management’s discussion and analysis of Lubrizol’s most recently filed reports with the Securities and Exchange Commission; and uncertainties associated with the proposed acquisition of Lubrizol by Berkshire Hathaway, including uncertainties relating to the anticipated timing of filings and approvals relating to the transaction, the expected timing of completion of the transaction and the ability to complete the transaction. The forward-looking statements contained herein represent Lubrizol’s judgment as of the date of this communication and Lubrizol cautions readers not to place undue reliance on such statements. Lubrizol assumes no obligations to update the forward-looking statements contained in this release.

Participants in the Solicitation

The Company, its directors and officers, and its proxy solicitor, Innisfree M&A Incorporated, may be deemed to be participants in the solicitation of proxies from the Company’s shareholders with respect to the special meeting of shareholders that will be held to consider the proposed transaction. Information about the Company’s directors and executive officers and their ownership of the Company’s common stock is set forth in its Form 10-K which was filed with the SEC on February 25, 2011 and the proxy statement for the Company’s Annual Meeting of shareholders, which was filed with the SEC on March 17, 2010. Shareholders may obtain additional information regarding the interests of the Company and its

directors and executive officers in the proposed transaction, which may be different than those of the Company’s shareholders generally, by reading the preliminary proxy statement filed with the SEC on March 25, 2011, the definitive proxy statement (when available) and other relevant documents regarding the proposed transaction, when filed with the SEC.

Additional Information

In connection with the proposed transaction, the Company filed a preliminary proxy statement with the SEC. INVESTORS ARE URGED TO READ THE PRELIMINARY PROXY STATEMENT AND, WHEN AVAILABLE, THE DEFINITIVE PROXY STATEMENT, BECAUSE THESE DOCUMENTS CONTAIN, IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND THE COMPANY. You will be able to obtain the preliminary proxy statement, the definitive proxy statement (when available) as well as other filings containing information about the Company, free of charge, at the website maintained by the SEC at www.sec.gov. Copies of the preliminary proxy statement, the definitive proxy statement (when available) and other filings made by the Company with the SEC can also be obtained, free of charge, by directing a request to The Lubrizol Corporation, 29400 Lakeland Boulevard, Wickliffe, Ohio 44092-2298, attention: Corporate Secretary.

Financial/Investor Contact
Mark Sutherland
440/347-1206

Media Contact
Julie Young
440/347-4432

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