Exhibit 99

BOSTON BEER REPORTS

THIRD QUARTER 2012 RESULTS

BOSTON, MA (11/1/12) — The Boston Beer Company, Inc. (NYSE: SAM) reported third quarter 2012 net revenue of $166.4 million, an increase of $31.6 million or 23%, over the same period last year, mainly due to core shipment growth of 17%. Net income for the third quarter was $20.8 million, or $1.53 per diluted share, an increase of $4.5 million, or $0.34 per diluted share, from the third quarter of 2011. This increase was primarily due to volume increases, partially offset by increased investments in advertising, promotional and selling expenses.

Highlights of this release include:

Jim Koch, Chairman and Founder of the Company, commented, “I am pleased with our depletions growth which is attributable to strong sales execution and support from our wholesalers and retailers as well as our great quality beers, innovation capability and strong brands. We believe that craft beer will continue to grow and that we are well-positioned to share in that growth. We released some excellent beers this fall including Samuel Adams Harvest Pumpkin and a new small batch brew Samuel Adams Fat Jack, a double pumpkin and believe that these styles have been favorably received. We remain confident about the long-term outlook for the craft category and our Samuel Adams brand.”

Martin Roper, the Company’s President and CEO, stated, “In the third quarter our depletions growth benefited from strength in our Samuel Adams Seasonal, Twisted Tea and Angry Orchard brands, offset by some slight decline in some of our other Samuel Adams brand styles. Based on the strength of the national rollouts of our Twisted Tea and Angry Orchard brands, and the continuing growth of our Samuel Adams brand family, we have increased the investment levels in our sales force and our support behind our Samuel Adams brand. We expect to continue to increase investments in advertising, promotional and selling expenses behind existing brands and also in innovation, commensurate with the opportunities and the increased competition that we see. During the quarter, we updated our packaging for all Samuel Adams styles and continued the evolution of our brand communication, ‘For the Love of Beer’ that builds on our previous messaging. Also, our higher than normal capital investment projects in 2012 support the increasing complexity of our portfolio and our Freshest Beer Program, and have expanded the capacity and capabilities of our breweries to meet anticipated future growth. These projects have gone well. We expect a similar high level of investment will be needed in 2013, after which we should return to an annual capital investment level of between $30 million and $45 million, including capacity expansion initiatives to accommodate expected growth. We are making appropriate investments in brand-building activities and capital improvements in our brewing and packaging capabilities to position us well for long-term growth and continued efficiency gains. We are prepared to forsake the lost earnings that may result from these investments in the short term.”

Mr. Roper continued, “Alchemy & Science, our craft brew incubator, continues to make progress and explore potential opportunities. Its House of Shandy brand added additional markets and a new style, Tenacious Traveler, while Angel City Brewery launched two new styles on draft in the Los Angeles market, and expects to have its brewery open to the public by the end of the year. These projects have had minimal sales to date. Our 2012 financial projection includes estimated expenses net of gross profit contribution attributable to Alchemy & Science projects of between $3 million and $5 million, but this estimate could change significantly if new projects are added. We will continue to look for complementary opportunities to leverage our capabilities, provided that they do not distract us from our primary focus on our Samuel Adams brand and our wholesalers.”

Commenting on the Company’s Freshest Beer Program, Mr. Roper said, “We believe that as a result of our Freshest Beer Program we are delivering better, fresher Samuel Adams beer to our drinkers while lowering wholesaler inventories, reducing costs and improving efficiency throughout the supply chain. We currently have over 70 wholesalers signed up and at various stages of inventory reduction. We have over 50% of our volume on our Freshest Beer Program and believe this could reach between 65% and 75% by the end of 2012. We continue to evaluate whether we can reduce these inventory levels further.”

3^rd Quarter 2012 Summary of Results

Depletions grew by 15% from the comparable 13 week period in 2011, primarily due to increases in Angry Orchard^®, Samuel Adams^® Seasonals, and Twisted Tea^® that were partially offset by declines in some other Samuel Adams^® styles.

Core shipment volume was approximately 772 thousand barrels, a 17% increase over the same period in 2011. Inventories at wholesalers participating in the Freshest Beer Program are estimated to be lower by 296,000 cases as of the end of the third quarter as compared to the third quarter of the prior year. The Company believes that inventory levels at the end of the third quarter at wholesalers were at appropriate levels when compared to current depletion trends.

Gross margin of 56% was the same as that for the third quarter of 2011. Cost increases in barley, hops, and other ingredients were offset by pricing increases and lower operating costs per barrel due to increased volume and efficiencies.

Advertising, promotional and selling expenses were $8.3 million higher than those incurred in the prior year, primarily as a result of increased investments in local marketing, advertising and point of sale, costs for additional sales personnel, and freight to wholesalers due to higher volumes.

General and administrative expenses increased $2.0 million compared to the third quarter of 2011, primarily due to increases in salary and benefit costs and Alchemy & Science startup costs.

The Company’s effective tax rate for the third quarter of 2012 was approximately 38%.

Year to Date 2012 Summary of Results

Depletions grew by 11% from the comparable 39-week period in 2011, primarily due to increases in Angry Orchard, Samuel Adams Seasonals, and Twisted Tea, that were partially offset by declines in some other Samuel Adams styles.

Core shipment volume was approximately 2.0 million barrels, an 11% increase from the comparable 39-week period in 2011.

Net income decreased $5.7 million, or $0.34 per diluted share, compared to the same period last year, due to the benefit in 2011 of the recall settlement of $0.92 per diluted share and increased investment in 2012 in advertising, promotional and selling expense, partially offset by net revenue increases in 2012.

Advertising, promotional and selling expenses were $14.8 million higher than those incurred in the prior year, primarily as a result of an increase in sales personnel, increased investments in advertising and local marketing and increased costs of freight to wholesalers.

General and administrative expenses increased by $4.9 million over the same period in 2011, primarily due to increases in salary and benefit costs and Alchemy & Science startup costs.

Cash and cash equivalents as of the end of the third quarter totaled $62.8 million.

During the first nine months of 2012, the Company repurchased approximately 120,000 shares of its Class A Common Stock at a cost of approximately $12.6 million. On October 1, 2012, the Board of Directors approved an increase of $25 million to the previously approved $275.0 million share buyback expenditure limit, for a new limit of $300.0 million. The Company repurchased approximately an additional 25,000 shares during the period September 30, 2012 through October 26, 2012 at an approximate cost of $2.7 million. As of October 26, 2012, the Company had approximately $32.9 million remaining on the $300.0 million share buyback expenditure limit set by the Board of Directors.

Depletion estimates

Year-to-date depletions through the 43 weeks ended October 27, 2012 are estimated by the Company to be up approximately 12% from the comparable period in 2011.

Fiscal 2012 Outlook

The Company’s projected full year 2012 earnings per diluted share is estimated to be between $3.80 and $4.20 for the 52 week period ending December 29, 2012. The Company’s actual 2012 earnings per diluted share could vary significantly from the current projection. Underlying the Company’s current projection are the following estimates and targets:

Fiscal 2013 Outlook

The Company is in the process of completing its 2013 planning process and will provide further detailed guidance when the Company presents its full-year 2012 results. The Company is currently using the following assumptions and targets for 2013

About the Company

The Boston Beer Company began in 1984 with a generations-old family recipe that Founder and Brewer Jim Koch uncovered in his father’s attic. After bringing the recipe to life in his kitchen, Jim brought it to bars in Boston with the belief that drinkers would appreciate a complex, full-flavored beer, brewed fresh in America. That beer was Samuel Adams Boston Lager^®, and it helped catalyze what became known as the American craft beer revolution.

Today, the Company brews over 50 styles of beer. The Company uses the traditional four vessel brewing process and often takes extra steps like dry-hopping and a secondary fermentation known as krausening. It passionately pursues the development of new styles and the perfection of its classic beers by constantly searching for the world’s finest ingredients. While resurrecting traditional brewing methods, the Company has earned a reputation as a pioneer in another revolution, the “extreme beer” movement, where it seeks to challenge drinkers’ perceptions of what beer can be. The Boston Beer Company strives to elevate the image of American craft beer by entering festivals and competitions the world over, and in the past five years it has won more awards in international beer competitions than any other brewery in the world. The Company remains independent, and brewing quality beer remains its single focus. While the Company is the country’s largest-selling craft beer, it accounts for only approximately one percent of the U.S. beer market. For more information, please visit www.samueladams.com.

Forward-Looking Statements

Statements made in this press release that state the Company’s or management’s intentions, hopes, beliefs, expectations or predictions of the future are forward-looking statements. It is important to note that the Company’s actual results could differ materially from those projected in such forward-looking statements. Additional information concerning factors that could cause actual results to differ materially from those in the forward-looking statements is contained from time to time in the Company’s SEC filings, including, but not limited to, the Company’s report on Form 10-K for the years ended December 31, 2011 and December 25, 2010. Copies of these documents may be found on the Company’s website, www.bostonbeer.com, or obtained by contacting the Company or the SEC.

Tuesday, November 1, 2012

THE BOSTON BEER COMPANY, INC.

Financial Results

Consolidated Statements of Comprehensive Income:

THE BOSTON BEER COMPANY, INC.

Financial Results

Consolidated Balance Sheets:

THE BOSTON BEER COMPANY, INC.

Financial Results

Consolidated Statements of Cash Flows:

Copies of The Boston Beer Company’s press releases, including quarterly financial results,

are available on the Internet at www.bostonbeer.com