Company: CNTB
Filing Date: 2025-09-10
Form Type: POS AM
Source: 0001193125-25-200186
Chunk: 105

Company: Connect Biopharma Holdings Ltd
Filing Date: 2025-09-10
Form: POS AM
Chunk 105
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 Ordinary Shares will be adjusted to reflect any such income or loss amounts. If you make a mark-to-marketelection, any distributions that we make would generally be subject to the tax rules discussed above under “—Taxation of Dividends and Other Distributions on the Ordinary Shares,” except that the lower rate applicable to qualified dividend income (discussed above) would not apply. The mark-to-marketelection is available only for “marketable stock,” which is stock that is traded in other than de minimisquantities on at least 15 days during each calendar quarter (“regularly traded”) on a qualified exchange or other market, as defined in the applicable U.S. Treasury regulations. Nasdaq is a qualified exchange. Our Ordinary Shares are currently listed on Nasdaq and, consequently, if you are a holder of Ordinary Shares and the Ordinary Shares are regularly traded, the mark-to-marketelection may be available to you if we become a PFIC. Because a mark-to-marketelection may not be made for equity interests in any lower-tier PFICs we own, a U.S. Holder may continue to be subject to the PFIC rules with respect to its indirect interest in any investments held by us that are treated as an equity interest in a PFIC for U.S. federal income tax purposes. You should consult your tax advisors as to the availability and desirability of a mark-to-marketelection, as well as the impact of such election on interests in any lower-tier PFICs. Alternatively, if a non-U.S.corporation is a PFIC, a holder of shares in that corporation may avoid taxation under the PFIC rules described above regarding excess distributions and recognized gains by making a “qualified electing fund” election (a “QEF Election”) to include in income its share of the corporation’s income on a current 33

basis. However, you may make a QEF Election with respect to our Ordinary Shares only if we agree to furnish you annually with certain tax information. If we determine we are a PFIC for any
taxable year, we intend to provide the information necessary for you to make a QEF Election with respect to us and intend to cause each lower-tier PFIC which we control to provide such information with respect to such lower-tier PFIC.

A U.S. Holder of a PFIC is generally required to file an annual report with the U.S. Internal Revenue Service. Failure to
comply with such reporting requirements may result in significant penalties and may suspend the running of the