Exhibit 99.1 BTU International Reports First Quarter 2006 Results; Quarterly Net Income Increased to $2.6 Million on Sales of $20.9 Million NORTH BILLERICA, Mass.--(BUSINESS WIRE)--April 20, 2006--BTU International, Inc. (Nasdaq NM: BTUI), a leading supplier of advanced thermal processing equipment for the electronics manufacturing and energy generation markets, today announced its financial results for the first quarter ended April 2, 2006. Net sales for the quarter were $20.9 million, up 64 percent compared to $12.8 million for the first quarter of 2005, and up 8 percent compared to sales of $19.3 million in the preceding quarter. Net income for the 2006 first quarter was up substantially at $2.6 million, or $0.28 per diluted share, compared to a net income of $167,000, or $0.02 per diluted share, reported in the first quarter of 2005, and up 25 percent compared to a net income of $2.1 million, or $0.25 per diluted share in the preceding quarter. Commenting on the company's performance, Paul J. van der Wansem, chairman and CEO, said, "Our organization has continued to make good progress, especially in terms of cost reductions throughout our global operations and the further expansion of our China operations." Late in the quarter, BTU expanded its product offering with infrared technology through the acquisition of the products, trademarks and other related assets of Radiant Technology Corporation (RTC). "We expect to see increased bookings and shipments for the RTC product lines as time progresses," said van der Wansem. Outlook "Overall for the year, we expect to see continued sales growth: based upon the current outlook for the electronics industry, as well as a healthy growth rate in the energy generation markets. We believe that the second quarter will be similar or up in sales with results ahead of the first quarter," concluded van der Wansem. Teleconference and Simultaneous Webcast BTU will be discussing its financial results, along with its outlook for the second quarter of 2006, in a conference call to be held tomorrow, Friday, April 21, at 11:00 a.m. Eastern Time. A webcast of the conference call will be available on BTU's website at www.btu.com or at www.streetevents.com. Replays of the call will be available through May 5, 2006, and can be accessed at these websites or by phone at (888) 203-1112 (pass code 9812124). About BTU International BTU International is a market-leading supplier of advanced thermal processing equipment to the electronics manufacturing and energy generation markets. BTU manufactures reflow furnaces for printed circuit board assembly as well as for wafer-level packaging and die-level packaging. BTU also provides thermal process equipment for the solar cell, fuel cell and nuclear fuel industries. BTU, with headquarters in North Billerica, MA, operates worldwide with direct sales and service offices in the USA, Asia and Europe. Information about BTU International is available on BTU's website at www.btu.com. "Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995 This news release contains express or implied forward-looking statements regarding, among other things, (i) the company's expectation of sales in the second quarter, (ii) the company's expectation for results to be ahead in the second quarter over the first quarter. Such statements are neither promises nor guarantees but rather are subject to risks and uncertainties, which could cause actual results to differ materially from those described in the forward-looking statements. Such statements are made pursuant to the "safe harbor" provisions established by the federal securities laws, and are based on the assumptions and expectations of the company's management at the time such statements are made. Important factors that could cause actual results to differ include the timely availability and acceptance of new products, general market conditions governing supply and demand, the impact of competitive products and pricing and other risks detailed in the company's filings with the Securities and Exchange Commission, including but not limited to the company's Annual Report on Form 10-K for the year ended December 31, 2005. Actual results may vary materially. Accordingly, you should not place undue reliance on any forward-looking statements. All information set forth in this press release is as of April 20, 2006, and, unless otherwise required by law, the company disclaims any obligation to revise or update this information in order to reflect future events or developments. BTU INTERNATIONAL, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands) (unaudited) April, December 2 31, Assets 2006 2005 ------------ ------------ Current assets Cash and cash equivalents $18,207 $15,460 Accounts receivable 20,916 16,519 Inventories 15,488 13,933 Other current assets 447 489 ------------ ------------ Total current assets 55,058 46,401 ------------ ------------ Property, plant and equipment, net 2,402 2,343 Other assets, net 1,973 161 ------------ ------------ Total assets $59,433 $48,905 ============ ============ Liabilities and stockholders' equity Current liabilities Current portion of long-term debt $302 $183 Borrowings under line of credit - - Other current liabilities 11,665 10,850 ------------ ------------ Total current liabilities 11,967 11,033 Long-term debt, less current portion 9,714 5,106 Long-term deferred compensation 283 283 ------------ ------------ Total liabilities 21,964 16,422 ------------ ------------ Total stockholders' equity 37,469 32,483 ------------ ------------ Total liabilities and stockholders' equity $59,433 $48,905 ============ ============ BTU INTERNATIONAL, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except share and per share data) (Unaudited) Three Months Ended --------------------------- April 2, April 3, 2006 2005 ------------- ------------- Net sales $20,935 $12,792 Costs of goods sold 12,903 8,277 ------------- ------------- Gross profit 8,032 4,515 Operating expenses: Selling, general and administrative 4,405 3,444 Research, development and engineering 928 772 ------------- ------------- Operating income 2,699 299 Interest income 91 1 Interest expense (70) (133) Other income (loss), net (45) - ------------- ------------- Income before provision for income taxes 2,675 167 Provision for income taxes (54) - ------------- ------------- Net income $2,621 $167 ============= ============= Income per share: Basic $0.29 $0.02 Diluted $0.28 $0.02 Weighted average number of shares outstanding: Basic shares 9,009,347 7,218,624 Effect of dilutive options 398,100 71,996 ------------- ------------- Diluted shares 9,407,447 7,290,620 ============= ============= CONTACT: BTU International, Inc. Tom Kealy, 978-667-4111 Ext. 106 Vice President, CAO or For BTU International Bill Monigle, 603-424-1184 IR Counsel