Annual Equity Grant. You will continue to be eligible to receive annual BHI equity grants in the first quarter of a year pursuant to the terms of the Employment Agreement, but the first annual grant you will be eligible to receive after the Effective Date will be a target number of performance share units (the "2022 PSUs") on March 4, 2022 (the "Grant Date"), which number will be equal to the quotient of US$ 2,100,000, divided by the closing price of a share of common stock of BHI ("Common Stock") on the Nasdaq trading day prior to the Grant Date. The 2022 PSUs will have other terms generally consistent with those applicable to PSU grants to other senior executives of BHI (and for subsequent years, the amount and terms of any long-term incentive grants will be determined by the Compensation Committee in its sole discretion). In subsequent years during the Arrangement, the target number of any equity awards granted under any long-term incentive compensation plan will be in an amount that is substantially consistent with those awards granted to other senior executives of BHI (other than the Chief Executive Officer of BHI).

Equity Grant. In connection with the commencement of your employment and subject to the approval of the Board, you will be granted 83,187 Incentive Units of Spero LLC, such issuance to be submitted to the Board for approval within thirty (30) days of the Company’s receipt of a third-party valuation report. After the Company completes its current hiring plan, John F. Tomayko

Equity Grant. Effective as of your Start Date, the Company will issue you 3,892,415 options to purchase a fixed number of shares of the Company’s common stock, $0.001 par value per share (the “Common Stock”), representing 4.0% of the total number of shares of the Company’s capital stock outstanding as of your Start Date, on an as-converted to Common Stock basis, including for purposes of this calculation the exercise of all options and warrants, including any shares issuable pursuant to existing option agreements or other instruments such as promissory notes, and the conversion of convertible securities outstanding as of the Start Date. This option grant will have an exercise price equal to the fair market value of the Common Stock on the Start Date (as determined by the Board or Compensation Committee) and, to the extent permitted under tax law, will be comprised of incentive stock options under [[Person A:Person]]

Annual Grant. Each Director will be granted annually an Option with a grant-date value of approximately $115,000 determined using a Black-Scholes option-pricing model and a Restricted Stock Unit Award with a grant-date value of approximately $115,000, in each case rounded down to the nearest whole share. The Restricted Stock Units granted under this Section 7(a) shall be in addition to any RSUs granted to any Director pursuant to Section 6.

Annual Grant. On the date of the Company’s annual meeting of stockholders, each Outside Director who will continue as a member of the Board following such annual meeting of stockholders will receive a restricted stock unit grant on the date of such Annual Meeting (the “Annual Grant”) with a Value of $200,000 that vests in full on the earlier of # the one-year anniversary of the grant date or # the next annual meeting of stockholders; provided, however, that all vesting will cease if the director ceases to provide services to the Company, unless the Board determines otherwise prior to the cessation of such services. An Outside Director may elect to receive cash in lieu of an Annual Grant, but must meet certain criteria as outlined in [Section II(g)] below. In the event that an Outside Director elects to receive cash in lieu of the Annual Grant, the cash payment will occur in the same manner and frequency as the Annual Cash Retainer.

Annual Equity Grants. Each fiscal year of the Company, with respect to each Executive Participant other than the CEO, # 33% of the Participant’s Aggregate Target Value shall be granted as an annual award (the “Annual LTIP RSU Award”) in the form of restricted stock units with time-based vesting requirements, paid out in shares of the Company’s Common Stock (the “LTIP RSUs”), # 33% of the Participant’s Aggregate Target Value shall be granted as an annual award (the “Annual LTIP PSU Award”) in the form of restricted stock units with performance-based vesting requirements, paid out in shares of the Company’s Common Stock (the “LTIP PSUs”), and # 33% of the Participant’s Aggregate Target Value shall be granted as an annual award (the “Annual LTIP Option Award”) in the form of nonqualified stock options with time-based vesting requirements (“LTIP Options”). Each fiscal year of the Company, with respect to the CEO, # 25% of the CEO’s Aggregate Target Value shall be granted as an Annual LTIP RSU Award in the form of LTIP RSUs, # 50% of the CEO’s Aggregate Target Value shall be granted as an Annual LTIP PSU Award in the form of LTIP PSUs, and # 25% of the CEO’s Aggregate Target Value shall be granted as an Annual LTIP Option Award in the form of LTIP Options. Each fiscal year of the Company, with respect to each Other Participant, 100% of the Participant’s Aggregate Target Value shall be granted as an Annual LTIP RSU Award in the form of LTIP RSUs.

Annual Equity Award. A person who is a Non-Employee Director immediately following each annual meeting of the Company's stockholders and who will continue to serve as a Non-Employee Director following such annual meeting shall be automatically granted on the second market trading day following the date of each such annual meeting a restricted share unit award with a grant date value equal to $160,000 (the "Annual Equity Award"). The Annual Equity Award shall vest on the earlier of the first anniversary date of the grant date or the date of the Company's next subsequent annual meeting of stockholders following the grant date.

Annual Equity Grants. Effective for service on or after April 10, 2023, to be granted on April 10, 2023 (or, for Directors elected other than at an Annual Meeting, on the effective date of their election as a Director) and on the day of each succeeding Annual Meeting, each Outside Director who is then a member of the Board of Directors, will be granted the number of Restricted Stock Units that will be equal to the applicable Equity Grant Amount divided by the Fair Market Value of the Common Stock for such grant date, or if the primary exchange on which the Common Stock is then listed for trading is not open for trading on such date, the grant date shall be the next following trading date. For the annual grant with respect to the last year of Board service, the applicable Equity Grant Amount will be prorated at settlement based on the number of days of actual service in the year if the Outside Director did not serve until the next succeeding Annual Meeting. Effective for grants made in respect of service on or after April 10, 2023, the Restricted Stock Units shall vest on the earlier of the first anniversary of the grant date or the next Annual Meeting, subject to pro-rata vesting, as described in the immediately preceding sentence, upon becoming a Retired Outside Director.

Effective Date of Annual Grant. In each year the effective date for the annual grant of equity to the Company’s executive officers by the Compensation Committee of the Board (or any successor committee) shall be the date the Options and Restricted Stock Units are granted; provided that in any year in which the Compensation Committee does not grant equity to any of the Company’s executive officers in connection with the annual compensation review process, then the third trading day after the release of the Company’s financial results for the first quarter of such year shall be the date the Options and Restricted Stock Units are granted.

Annual Incentive Award. “Annual Incentive Award” shall mean the annual incentive compensation (including for this purpose any long term performance share awards, restricted stock, stock options or any other equity based award) paid or payable or granted during the applicable fiscal year or any award to the extent specified by the Committee in the relevant award agreement or any other equity based awards in each case paid or payable or granted in lieu of annual non-equity incentive compensation for that fiscal year; provided further that, # the grant date fair value of any equity based award granted as annual incentive compensation shall be included in the computation of the annual incentive amounts paid or granted in any applicable fiscal year based upon the grant date fair value of such award for accounting purposes and # any dividend equivalents paid or payable with respect to such an equity based award shall not be considered annual incentive compensation.