1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) February 3, 2000 Commission File Number 000-27707 AETHER SYSTEMS, INC. (Exact name of registrant) Delaware 52-2186634 (State of organization) (I.R.S. Employer Identification Number) 11460 Cronridge Drive, Owings Mills, Maryland 21117 (Address of principal executive offices and zip code) (410) 654-6400 (Registrant's telephone Number) 2 ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (a) Financial Statements. None. (b) Pro forma financial information. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION The unaudited pro forma condensed consolidated financial information has been prepared by Aether's management and gives effect to the acquisitions of LocusOne Communications, Inc. completed on February 3, 2000, Riverbed Technologies, Inc. completed on March 6, 2000, NetSearch, LLC completed on April 20, 2000, IFX Group Plc completed on April 6, 2000 and the related formation of Sila Communications Limited completed on May 5, 2000, Cerulean Technology, Inc. completed on September 14, 2000, SunPro, Inc. completed on September 18, 2000, Motient's retail transportation business completed on December 1, 2000, and RTS Wireless, Inc. completed on December 22, 2000, which are collectively referred to in this "Unaudited Pro Forma Condensed Consolidated Financial Information" section as the "Completed Transactions." The unaudited pro forma condensed consolidated statement of operations for the year ended December 31, 2000 has been prepared to give effect to the Completed Transactions as if they had occurred on January 1, 2000. The pro forma adjustments, which are based upon available information and certain assumptions that Aether believes are reasonable in the circumstances, are applied to the historical financial statements of LocusOne, Riverbed, NetSearch, IFX, Sila, Cerulean, SunPro, Motient's retail transportation business, and RTS. The acquisitions are accounted for under the purchase method of accounting. Aether's allocation of the purchase price is based upon the estimated fair value of assets acquired and liabilities assumed in accordance with Accounting Principles Board Opinion No. 16. Certain of the purchase price allocations reflected in the accompanying unaudited pro forma condensed consolidated financial statements are preliminary and may be different from the final allocation of the purchase price and any such differences may be material. The unaudited pro forma condensed consolidated financial information is provided for informational purposes only and does not purport to represent what Aether's financial position or results of operations would actually have been had the acquisitions and investments occurred on such dates or to project Aether's results of operations or financial position for any future period. The unaudited pro forma consolidated financial data should be read in conjunction with: - the historical financial statements of Aether included in Aether's Form 10-K for the year ended December 31, 2000; - the historical financial statements and the notes thereto for LocusOne. included in Aether's Report on Form 8-K/A filed March 16, 2000; - the historical financial statements and the notes thereto for Riverbed included in Aether's registration statement on Form S-1 (File No. 333-30852), as amended and incorporated herein by reference. (c) Exhibits. 99.1 Unaudited Pro Forma Combined Financial Data 3 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. AETHER SYSTEMS, INC. BY: /s/ David C. Reymann ------------------------------- David C. Reymann Chief Financial Officer Dated: April 11, 2001 4 AETHER SYSTEMS, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (IN THOUSANDS, EXCEPT PER SHARE DATA) FOR THE YEAR ENDED DECEMBER 31, 2000 ---------------------------------------------------------- ADJUSTMENTS FOR HISTORICAL COMPLETED PRO FORMA AETHER TRANSACTIONS CONSOLIDATED ========================================================== Subscriber revenue 31,160 23,131 54,291 Engineering services revenue 9,444 - 9,444 Software revenue and related services 17,550 26,526 44,076 ---------------------------------------------------------- Total revenue 58,154 49,657 107,811 ---------------------------------------------------------- Cost of subscriber revenue 18,412 10,070 28,482 Cost of engineering services revenue 5,693 - 5,693 Cost of software revenue and related services 5,911 6,348 12,259 ---------------------------------------------------------- Total cost of revenue 30,016 16,418 46,434 ---------------------------------------------------------- Gross profit 28,138 33,239 61,377 ---------------------------------------------------------- Operating Expenses: Research and development 30,189 18,786 48,975 General and administrative 52,937 21,892 74,829 In process research and development 7,860 - 7,860 Selling and marketing 54,151 23,090 77,241 Depreciation and amortization 238,074 112,222 350,296 Option and warrant expense 14,345 6,462 20,807 ---------------------------------------------------------- 397,556 182,452 580,008 ---------------------------------------------------------- Operating Loss: (369,418) (149,213) (518,631) Other Income (expense): Interest income (expense), net 42,351 (582) 41,769 Other - 76 76 Minority interest 10,692 6,619 17,311 Equity in losses of investments (47,886) - (47,886) ---------------------------------------------------------- (Loss) income before income tax provision (364,261) (143,100) (507,361) Income tax (provision) benefit 1,561 (680) 881 ---------------------------------------------------------- Net loss (362,700) (143,780) (506,480) ========================================================== Net loss per share basic and diluted (9.99) ====== Weighted average shares used in computing net loss per share -- basic and diluted 36,310 ====== Pro forma net loss per share -- basic and diluted (13.13) =================== Pro forma weighted average shares used in per share computations - basic and diluted 38,578 =================== 5 AETHER SYSTEMS, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS ADJUSTMENTS FOR COMPLETED TRANSACTIONS (in thousands) For the Year Ended December 31, 2000 ------------------------------------------------------------------------------- Period from January 1, 2000 Through Period from January 1, 2000 Through February 2, 2000 March 5, 2000 ------------------------------------- ------------------------------------- Pro Forma Pro Forma Historical Acquisition Historical Acquisition LocusOne (A) Adjustments Riverbed (B) Adjustments ------------------ ------------------ ----------------- ------------------ Subscriber revenue - - Engineering services revenue - - Software revenue and related services 84 170 ------------------ ------------------ ----------------- ------------------ Total revenue 84 170 ------------------ ------------------ ----------------- ------------------ Cost of subscriber revenue - - Cost of engineering services revenue - - Cost of software revenue and related services 79 197 ------------------ ------------------ ----------------- ------------------ Total cost of revenue 79 197 ------------------ ------------------ ----------------- ------------------ Gross profit 5 (27) ------------------ ------------------ ----------------- ------------------ Operating Expenses: Research and development 11 797 General and administrative 122 929 In process research and development - - Selling and marketing 26 1,271 Depreciation and amortization 8 730 (I) 53 40,284 (I) Option and warrant expense 50 811 (J) 149 ------------------ ------------------ ----------------- ------------------ 217 1,541 3,199 40,284 ------------------ ------------------ ----------------- ------------------ Operating income (loss): (212) (1,541) (3,226) (40,284) Other Income (expense): Interest income (expense), net (7) 7 (L) 50 Other - - Minority interest - - ------------------ ------------------ ----------------- ------------------ (Loss) income before income tax provision (219) (1,534) (3,176) (40,284) Income tax (provision) benefit - - ------------------ ------------------ ----------------- ------------------ Net (loss) income (219) (1,534) (3,176) (40,284) ================== ================== ================= ================== ------------------------------------------------------------------------------------ Period from January 1, 2000 Through Period from January 1, 2000 Through April 5, 2000 April 19, 2000 ---------------------------------------- --------------------------------------- Pro Forma Pro Forma Historical Acquisition Historical Acquisition Sila/IFX (C) Adjustments NetSearch (D) Adjustments ----------------- ------------------ ----------------- ------------------ Subscriber revenue 4,693 403 Engineering services revenue - - Software revenue and related services - - ----------------- ------------------ ----------------- ------------------ Total revenue 4,693 403 ----------------- ------------------ ----------------- ------------------ Cost of subscriber revenue 2,266 111 Cost of engineering services revenue - - Cost of software revenue and related services - - ----------------- ------------------ ----------------- ------------------ Total cost of revenue 2,266 111 ----------------- ------------------ ----------------- ------------------ Gross profit 2,427 292 ----------------- ------------------ ----------------- ------------------ Operating Expenses: Research and development 73 - General and administrative 866 454 In process research and development - - Selling and marketing 884 39 Depreciation and amortization 37 14,460 (I) 6 1,661 (I) Option and warrant expense - - 147 (K) ----------------- ------------------ ----------------- ------------------ 1,860 14,460 499 1,808 ----------------- ------------------ ----------------- ------------------ Operating income (loss): 567 (14,460) (207) (1,808) Other Income (expense): Interest income (expense), net - - Other - - Minority interest - 6,619 (M) - ----------------- ------------------ ----------------- ------------------ (Loss) income before income tax provision 567 (7,841) (207) (1,808) Income tax (provision) benefit (227) (502) (N) - ----------------- ------------------ ----------------- ------------------ Net (loss) income 340 (8,343) (207) (1,808) ================= ================== ================= ================== 6 ------------------------------------------------------------------------------- Period from January 1, 2000 Through Period from January 1, 2000 Through September 13, 2000 September 17, 2000 ------------------------------------ ---------------------------------------- Pro Forma Pro Forma Historical Acquisition Historical Acquisition Cerulean (E) Adjustments SunPro (F) Adjustments ----------------- ------------------ ----------------- ------------------ Subscriber revenue - - Engineering services revenue - - Software revenue and related services 10,938 3,013 ----------------- ------------------ ----------------- ------------------ Total revenue 10,938 3,013 - ----------------- ------------------ ----------------- ------------------ Cost of subscriber revenue - - Cost of engineering services revenue - - Cost of software revenue and related services 3,423 388 ----------------- ------------------ ----------------- ------------------ Total cost of revenue 3,423 388 - ----------------- ------------------ ----------------- ------------------ Gross profit 7,515 2,625 - ----------------- ------------------ ----------------- ------------------ Operating Expenses: Research and development 3,556 1,111 General and administrative 1,677 1,165 In process research and development - - Selling and marketing 7,550 375 Depreciation and amortization 525 15,299 (I) 27 1,640 (I) Option and warrant expense - 1,992 (J) ----------------- ------------------ ----------------- ------------------ 13,308 17,291 2,678 1,640 ----------------- ------------------ ----------------- ------------------ Operating income (loss): (5,793) (17,291) (53) (1,640) Other Income (expense): - - Interest income (expense), net (62) 8 Other - 76 Minority interest - - ----------------- ------------------ ----------------- ------------------ (Loss) income before income tax provision (5,855) (17,291) 31 (1,640) Income tax (provision) benefit - 763 (763) (O) ----------------- ------------------ ----------------- ------------------ Net (loss) income (5,855) (17,291) 794 (2,403) ================= ================== ================= ================== ------------------------------------------------------------------------------- Period from January 1, 2000 Through Period from January 1, 2000 Through November 30, 2000 December 21, 2000 --------------------------------------- ------------------------------------- Pro Forma Pro Forma Historical Acquisition Historical Acquisition Motient (G) Adjustments RTS (H) Adjustments ----------------- ----------------- ---------------- ------------------ Subscriber revenue 18,035 - Engineering services revenue - - Software revenue and related services - 12,008 313 ----------------- ----------------- ---------------- ------------------ Total revenue 18,035 - 12,008 313 ----------------- ----------------- ---------------- ------------------ Cost of subscriber revenue 7,693 - Cost of engineering services revenue - - Cost of software revenue and related services - 2,261 ----------------- ----------------- ---------------- ------------------ Total cost of revenue 7,693 - 2,261 - ----------------- ----------------- ---------------- ------------------ Gross profit 10,342 - 9,747 313 ----------------- ----------------- ---------------- ------------------ Operating Expenses: Research and development 2,782 10,456 General and administrative 4,092 12,587 In process research and development - - Selling and marketing 3,627 9,318 Depreciation and amortization - 9,351 (I) - 28,141 (I) Option and warrant expense - 2,158 1,155 (J) ----------------- ----------------- ---------------- ------------------ 10,501 9,351 34,519 29,296 ----------------- ----------------- ---------------- ------------------ Operating income (loss): (159) (9,351) (24,772) (28,983) Other Income (expense): Interest income (expense), net - (578) Other - - Minority interest - - ----------------- ----------------- ---------------- ------------------ (Loss) income before income tax provision (159) (9,351) (25,350) (28,983) Income tax (provision) benefit - 49 ----------------- ----------------- ---------------- ------------------ Net (loss) income (159) (9,351) (25,301) (28,983) ================= ================= ================ ================== 7 ---------------- Aether as Adjusted for Completed Transactions ----------------- Subscriber revenue 23,131 Engineering services revenue - Software revenue and related services 26,526 ----------------- Total revenue 49,657 ----------------- Cost of subscriber revenue 10,070 Cost of engineering services revenue - Cost of software revenue and related services 6,348 ----------------- Total cost of revenue 16,418 ----------------- Gross profit 33,239 ----------------- Operating Expenses: Research and development 18,786 General and administrative 21,892 In process research and development - Selling and marketing 23,090 Depreciation and amortization 112,222 Option and warrant expense 6,462 ----------------- 182,452 ----------------- Operating income (loss): (149,213) Other Income (expense): Interest income (expense), net (582) Other 76 Minority interest 6,619 ----------------- (Loss) income before income tax provision (143,100) Income tax benefit (680) ----------------- Net (loss) income (143,780) ================= _________________ (A) Reflects the historical results of LocusOne for the period from January 1, 2000 to February 2, 2000. The results of LocusOne from February 3, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (B) Reflects the historical results of Riverbed for the period from January 1, 2000 to March 5, 2000. The results of Riverbed from March 6, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (C) Reflects the historical results of IFX Group Plc for the period from January 1, 2000 to April 5, 2000 and the historical results of Future Pagers Ltd. for the period from January 1, 2000 to May 6, 2000. The results of IFX from April 6, 2000 to December 31, 2000 and the results of Futures Pagers from May 7, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (D) Reflects the historical results of NetSearch for the period from January 1, 2000 to April 19, 2000. The results of NetSearch from April 20, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (E) Reflects the historical results of Cerulean for the period from January 1, 2000 to September 13, 2000. The results of Cerulean from September 14, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (F) Reflects the historical results of SunPro for the period from January 1, 2000 to September 17, 2000. The results of SunPro from September 18, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (G) Reflects the historical results of Motient's retail transportation business for the period from January 1, 2000 to November 30, 2000. The results of Motient's retail transportation business from December 1, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (H) Reflects the historical results of RTS for the period from January 1, 2000 to December 21, 2000. The results of RTS from December 22, 2000 to December 31, 2000 are included in Aether's historical results for the year ended December 31, 2000. (I) Reflects the amortization of intangible assets, including goodwill, over two to seven year periods. (J) Reflects the amortization of the intrinsic value of options granted to employees of LocusOne, Cerulean and RTS over the three year vesting period. (K) Reflects the amortization of the intrinsic value of options granted to employees of NetSearch over the four year vesting period. (L) Reflects the elimination of interest expense, as LocusOne's outstanding debt was repaid by Aether as part of the acquisition. (M) Reflects the allocation of 40 percent of Sila's proforma net loss to the minority interest. (N) Reflects the recording of a deferred tax benefit related to the amortization of identifiable intangibles. (O) Reflects the elimination of income tax expense, as any operating profits generated by SunPro would be offset by Aether's consolidated net losses.