definiens: shall mean any transaction or series of transactions ( other than theTransactions ) involving:(a ) any merger, consolidation, business combination or similar transaction involving any Acquired Corporation;(b ) any direct or indirect sale, license, lease, transfer, exchange or other disposition ( including any license, collaboration, disposition or revenue - sharing arrangement ), in one transaction or a series of transactions, including bymerger, consolidation, business combination, share exchange, joint venture, extraordinary dividend, recapitalization, corporate reorganization or otherwise, of any business or assets ( including MT103 or any other BiTE antibody)representing, or that would represent after giving effect to the transaction, 20 % or more of the assets, net revenues or netincome of any of the Acquired Corporations;(c ) any issuance, sale, or other disposition, in one transaction or series of transactions, including by way of merger, consolidation, business combination, share exchange, joint venture or any similar transaction, of securities ( or options, rights or warrants to purchase, or securities convertible into or exchangeable for, such securities ) representing 15 % ormore of the voting power of the Company ( or 20 % or more of the voting power of any of the other AcquiredCorporations);(d ) any transaction, including any tender offer or exchange offer, that if consummated would result in or wouldreasonably be expected to result in any Person or group beneficially owning 15 % or more of the voting power of theCompany ( or in the case of the other Acquired Corporations, 20 % or more of the voting power of any such A-1Acquired Corporation ) or in which any Person or group shall acquire the right to acquire beneficial ownership of 15 % ormore of the outstanding voting power of the Company ( or in the case of the other Acquired Corporations, 20 % or moreof the voting power of any such Acquired Corporation ) ; or(e ) any combination of the foregoing