March 23. 2017

*UBS March 23. 2017 UBS Financial Services Inc. 1285 Avenue of the Americas 20th Floor NOW York, NY 10019 wmv.ubscom GHISLAINE MAXWELL P.O. BOX 308 TEANECK. NJ 07666-0308 Notice Unaudited tax estimate for AlphaKeys Millennium Fund, L.L.C. (EN: 27-5238213) for the year ending December 31, 2016 Based on the most current information available. we are providing you with the following tax estimate for your investment in AlphaKeys Millennium Fund. L.L.C. (the Fund) for the year ending December 31, 2016. Why this Is important The figures provided below reflect estimated tax results for the year. They are derived from incomplete information and do not reflect final tax information for the year. The mailing of your Schedule K-1 for 2016 is dependent on the Funds receipt of the 2016 Schedule K-1 from the underlying Investment Fund. We estimate that you will receive your final 2016 Schedule K-1 for this Fund by the end of June 2017 and recommend that you file for an extension for your 2016 tax returns if you have not already done so. We will provide any further updates regarding the delivery date of your Schedule K-1 to your Financial Advisor. UBS account number: Account name: Rental income/loss: $ - Interest income: $ Qualified dividend income: $ - Non-qualified dividend income: $ - Short-term capital gaiMoss: $ Long-term capital gainAoss. $ - Section 1231 gain/loss: $ - Section 1256 gainfloss: $ - Other income/loss: $ 41.331 Total income $ 41,331 Investment interest expense: $ - Portfolio deductions: $ (6,432) Other deductions: $ Total deductions: $ (6,432) Estimated taxable Income/loss: $ 34.899 Partner Footnotes Passive ecomenoss included in taxable income above: Unrelated Business Taxable Income (UBTI) has not been estimated for 2016 al this time. M a guideine. the percentage of 2015 taxable noon that was subpart to UBTI treatment was 68.52%. Please note: UBTI only affects tax exempt accounts. You should contact your tax advisor if this account is held by a charitable remander trust and has income subject to UBTI treatment. Please note: The above items of Incornel(Loss) may be subject to the 3.8% Net Investment Income Tax. Please consult your tax advisor when preparing Form 8960. GHISLAINE MAXWELL Disclosure Your final taxable income from the Fund for 2016 may be materially different from this estimate based on updates of taxable Income numbers from the underlying Investment Fund. Neither UBS Financial Services Inc. nor its employees provide tax advice. Please consult your tax advisor regarding this unaudited tax estimate. Questions Please contact your Financial Advisor with any questions. UBS Financial Services Inc. is a subsidiary of UBS AG CONFIDENTIAL UBSTERFtAMAR00003194 EFTA00238573