PULM 2022 Proxy Statement

5 What if I do not specify how I want my shares voted? If you are a record holder who returns a completed proxy that does not specify how you want to vote your shares on one or more proposals, the proxies will vote your shares for each proposal as to which you provide no voting instructions, and such shares will be voted in the following manner: “FOR” the election of Teofilo Raad and Richard Batycky, Ph.D. as Class II directors. “FOR” Proposal 2. If you are a “street name” holder and do not provide voting instructions on one or more proposals, your bank, broker or other nominee will be unable to vote those shares with respect to Proposal 1 but will be able to vote those shares with respect to Proposal 2. See “What is a broker non-vote?” Can I change my vote? Yes. If you are a record holder, you may revoke your proxy at any time before it is voted at the Annual Meeting by any of the following means: ● Virtually attending the Annual Meeting and voting again online during the Annual Meeting. Your virtual attendance at the Annual Meeting will not by itself revoke a proxy. You must vote your shares online during the Annual Meeting to revoke your proxy. ● Completing and submitting a new valid proxy bearing a later date. ● Voting again on a later date via the Internet or by telephone (only your latest Internet or telephone proxy that is submitted prior to the Annual Meeting will be counted). ● Giving written notice of revocation to the Company addressed to Jingling Wang, Director of Accounting, at the Company’s address above, which notice must be received before 5:00 p.m., Eastern Time, on June 14, 2022. If you are a “street name” holder, your bank, broker or other nominee should provide instructions explaining how you may change or revoke your voting instructions. What votes are required to approve each proposal? Assuming the presence of a quorum, with respect to Proposal 1, the affirmative vote of the holders of a plurality of the votes cast at the Annual Meeting is required for the election of the director nominees, i.e., the two director nominees who receive the most votes will be elected. Assuming the presence of a quorum, approval of Proposal 2 will require the affirmative vote of a majority of the votes cast for or against the proposal. How are abstentions and broker non-votes treated? Any stockholder who is present at the Annual Meeting, either in person, which would include virtual attendance at the Annual Meeting, or by proxy, who abstains from voting, will still be counted for purposes of determining whether a quorum exists for the meeting. If you hold your shares in “street name” and you do not instruct your bank, broker or other nominee how to vote, your shares will be included in the determination of the number of shares present at the Annual Meeting for determining a quorum at the meeting but may constitute broker non-votes, resulting in no votes being cast on your behalf with respect to certain proposals. See “What is a broker non-vote?” An abstention or failure to instruct your broker how to vote with respect to Proposal 1 will not be counted as an affirmative or negative vote in the election of directors and will have no effect on the outcome of the vote with respect to Proposal 1. An abstention or broker non-vote with respect to Proposal 2 will likewise not be counted as an affirmative or negative vote against the proposal and will have no effect on the outcome of the vote on such proposals. Brokers who have not received voting instructions from the beneficial owner do not have discretionary authority to vote on the election of directors in Proposal 1. Therefore, broker non-votes will not be considered in the vote totals with respect to Proposal 1 and will have no effect on the vote regarding the election of directors. However, if you do not give your broker specific instructions on how to vote your shares with respect to Proposal 2, your broker may vote your shares at its discretion.

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