RemovedFinancial Statements IMMUNEERING CORPORATION CONSOLIDATED BALANCE SHEETS December 31, 2022 December 31, 2021 Assets Current assets: Cash and cash equivalents $ 72,636,886 $ 74,888,145 Marketable securities, current 32,887,970 74,311,203 Accounts receivable 12,417 246,040 Prepaids and other current assets 3,209,536 2,888,608 Total current assets 108,746,809 152,333,996 Marketable securities, non-current — 996,560 Property and equipment, net 1,369,608 807,223 Goodwill 6,690,431 6,701,726 Intangible asset 408,947 439,000 Right-of-use assets, net 4,407,785 5,324,198 Other assets 743,703 102,129 Total assets $ 122,367,283 $ 166,704,832 Liabilities, convertible preferred stock and stockholders' equity Current liabilities: Accounts payable $ 3,154,557 $ 1,394,340 Accrued expenses 4,500,993 3,965,447 Other liabilities, current 19,796 — Lease liabilities, current 378,723 274,039 Total current liabilities 8,054,069 5,633,826 Long-term liabilities: Lease liabilities, non-current 4,462,959 5,090,897 Total liabilities 12,517,028 10,724,723 Commitments and contingencies (Note 13) Stockholders’ equity: Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2022 and December 31, 2021; No shares issued or outstanding — — Class A common stock, $0.001 par value, 200,000,000 shares authorized at December 31, 2022 and December 31, 2021; 26,418,732 and 26,320,199 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively 26,419 26,320 Class B common stock, $0.001 par value, 20,000,000 shares authorized at December 31, 2022 and December 31, 2021 ; 0 shares issued and outstanding at December 31, 2022 and December 31, 2021 — — Additional paid-in capital 219,640,912 215,276,186 Accumulated other comprehensive loss (30,120) (49,009) Accumulated deficit (109,786,956) (59,273,388) Total stockholders' equity 109,850,255 155,980,109 Total liabilities, convertible preferred stock and stockholders' equity $ 122,367,283 $ 166,704,832 The accompanying notes are an integral part of these consolidated financial statements. 124 Table of Contents IMMUNEERING CORPORATION CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS FOR THE YEARS ENDED DECEMBER 31, 2022 AND 2021 Year Ended December 31, 2022 2021 Revenue $ 316,952 $ 2,079,961 Cost of revenue 158,122 1,153,073 Gross profit 158,830 926,888 Operating expenses Research and development 36,267,116 26,540,959 General and administrative 15,606,529 8,271,998 Amortization of intangible asset 30,053 — Total operating expenses 51,903,698 34,812,957 Loss from operations (51,744,868) (33,886,069) Other income (expense) Interest income 1,014,456 169,899 Other income (expense) 216,844 (127,063) Loss before income taxes (50,513,568) (33,843,233) Income tax benefit — 307,485 Net loss $ (50,513,568) $ (33,535,748) Net loss per share attributable to common stockholders, basic and diluted (1.91) (2.46) Weighted-average common shares outstanding, basic and diluted 26,386,864 13,612,677 Other comprehensive loss: Unrealized gain (losses) from marketable securities 18,889 (49,009) Comprehensive Loss $ (50,494,679) $ (33,584,757) The accompanying notes are an integral part of these consolidated financial statements. 125 Table of Contents IMMUNEERING CORPORATION CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY FOR THE YEAR ENDED DECEMBER 31, 2022 AND 2021 Convertible Preferred Stock Stockholders' Equity Total Additional Accumulated other Total Series B Series A Convertible Class A Common Stock Class B Common Stock Paid-In comprehensive Accumulated Stockholders' Shares Amount Shares Amount Preferred Stock Shares Par Value Shares Par Value Capital loss Deficit Equity Balance at December 31, 2020 3,619,292 $ 36,983,910 2,495,933 $ 21,119,940 $ 58,103,850 4,950,129 $ 4,950 — $ — $ 3,251,240 $ — $ (25,737,640) $ (22,481,450) Issuance of Series B convertible preferred stock, net of issuance costs 2,412,853 24,788,851 — — 24,788,851 — — — — — — — — Issuance of common stock upon exercise of stock options — — — — — 117,846 118 — — 354,316 — — 354,434 Issuance of common stock upon exercise of warrants — — — — — 308,308 308 — — 926,817 — — 927,125 Conversion of Preferred Stock into common stock (6,032,145) (61,772,761) (2,495,933) (21,119,940) (82,892,701) 11,939,281 11,939 — — 82,880,762 — — 82,892,701 Issuance of common stock upon initial public offering, net of issuance costs ($2,124,317) — — — — — 8,625,000 8,625 — — 118,185,808 — — 118,194,433 Issuance of common stock for acquisition — — — — — 379,635 380 — — 7,874,620 — — 7,875,000 Stock-based compensation expense — — — — — — — — — 1,802,623 — — 1,802,623 Net loss — — — — — — — — — — — (33,535,748) (33,535,748) Other comprehensive loss — — — — — — — — — — (49,009) — (49,009) Balance at December 31, 2021 — $ — — $ — $ — 26,320,199 $ 26,320 — $ — $ 215,276,186 $ (49,009) $ (59,273,388) $ 155,980,109 Issuance of common stock upon exercise of stock options — — — — — 98,533 99 — — 300,280 — — 300,379 Stock-based compensation expense — — — — — — — — — 4,064,446 — — 4,064,446 Net loss — — — — — — — — — — — (50,513,568) (50,513,568) Other comprehensive income — — — — — — — — — — 18,889 — 18,889 Balance at December 31, 2022 — $ — — $ — $ — 26,418,732 $ 26,419 — $ — $ 219,640,912 $ (30,120) $ (109,786,956) $ 109,850,255 The accompanying notes are an integral part of these consolidated financial statements. 126 Table of Contents IMMUNEERING CORPORATION CONSOLIDATED STATEMENTS OF CASH FLOWS FOR THE YEAR ENDED DECEMBER 31, 2022 and 2021 2022 2021 Cash flows from operating activities: Net loss $ (50,513,568) $ (33,535,748) Adjustment to reconcile to net loss to net cash used in operating activities: Depreciation expense 247,199 45,467 Right-of-use asset amortization 519,541 113,605 Amortization of intangibles 30,053 — Stock-based compensation expense 4,064,446 1,802,623 Net amortization of premium (accretion of discount) on marketable securities (171,382) 130,240 Loss on disposal of fixed assets 5,170 — Deferred tax benefit — (307,485) Change in assets and liabilities: (Increase) decrease in: Accounts receivable 233,623 279,713 Prepaid expenses and other current assets (284,346) (2,408,986) Other assets (360,200) — Increase (decrease) in: Accounts payable 1,760,217 (130,398) Accrued expenses 474,568 3,240,940 Lease liability (126,382) (80,853) Other liabilities 19,796 — Net cash provided by (used in) operating activities (44,101,265) (30,850,882) Cash flows from investing activities: Purchases of property and equipment (742,483) (60,786) Purchases of marketable securities (50,104,515) (75,625,529) Maturities of marketable securities 92,678,000 — Cash acquired in business combination — 70,348 Net cash provided by (used in) investing activities 41,831,002 (75,615,967) Cash flows from financing activities: Proceeds from the issuance of Series B preferred stock, net of issuance costs — 24,788,851 Proceeds from initial public offering of common stock, net of commissions and underwriting — 120,318,750 Payment of initial public offering costs — (2,124,317) Payment of public offering costs (281,375) — Proceeds from exercise of stock options 300,379 354,434 Proceeds from exercise of warrants — 927,125 Net cash provided by financing activities 19,004 144,264,843 Net increase (decrease) in cash and cash equivalents (2,251,259) 37,797,994 Cash and cash equivalents at beginning of period 74,888,145 37,090,151 Cash and cash equivalents at end of period $ 72,636,886 $ 74,888,145 Supplemental disclosures of noncash investing and financing information: Conversion of convertible Series A and B preferred stock into common stock $ — $ 82,892,701 Business combination non-cash — 7,804,652 Class A common stock issued for business combination — 7,875,000 Reduction of right-of-use asset and lease liability in connection with lease modification 396,901 — Property and equipment in accounts payable/accrued expenses 72,272 — The accompanying notes are an integral part of these consolidated financial statements. 127 Table of Contents IMMUNEERING CORPORATION NOTES TO CONSOLIDATED FINANCIAL STATEMENTS Note 1 – Organization and Nature of Business Immuneering Corporation, a Delaware corporation, (“Immuneering” or the “Company”) was incorporated in 2008.