July 5, 2016

*UBS July 5, 2016 UBS Financial Services Inc. 1285 Avenue of the Americas 20111 Floor New York. NY 10019 GI-IISLAINE MAXWELL NEWYORK, NY 10065-7007 Notice 2015 Schedule K-1 for your AlphaKeys Millennium Fund, L.L.C. Investment The enclosed document includes important information to help you prepare for filing your federal, state and local income tax returns. What you need to know • When determining your cost basis, your capital account balance does not include any placement fees that you may have paid at the time you made your initial investment. • For tax-exempt accounts, please review your Schedule K-1 for any unrelated business taxable income (UBTI). What you need to do Please contact your tax advisor with any questions regarding your filing obligations for UBTI, to determine if you are required to obtain a separate Employer Identification Number (EIN) to fulfil any associated filing requirements, or any other tax-related questions. Questions Please contact your