Spring 2006 issue of Horizons

PRESORTED FIRST CLASS MAIL U.S. POSTAGE PAID St. Louis, MO PERMIT NO. 0000

One North Brentwood St. Louis, Missouri 63105

Timely Reminders

May 15, 2006 Exempt Organizations: Exempt Organizations with a calendar year must file the annual return (Form 990, Form 990-EZ or Form 990-PF) for 2005. Organizations are exempt from income tax under Code Section 501. Calendar year Section 501 organizations with unrelated business income must file income tax returns (Form 990-T). May 31, 2006 IRA or SEP: Annual statements to IRS must be filed regarding 2005 account balances for an IRA or SEP (Form 5498). Participants and the IRS must be provided with IRA plan contribution information. June 15, 2006 Individuals: Payments of second installment of 2006 estimated tax by individuals (other than farmers and fisherman), trusts and estates, and certain trusts. July 31, 2006 Employers' Taxes: Employers of non-agricultural and non-household employees must file Form 941 to report income tax withholding and FICA taxes for the second quarter of 2005. Filings: Form 5500 due for calendar year taxpayers for 2005. September 15, 2006 Individuals: Payments of third installment of 2006 estimated tax by individuals (other than farmers and fisherman), trusts and estates, and certain trusts. Corporations: Payment of second installment of 2006 estimated income tax by calendar year corporations.

Corporations: File a 2005 calendar year income tax return (Form 1120 or 1120-A) and pay any tax due. This due date applies only if you timely requested an automatic six-month extension.

S-Corporations: File a 2005 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you time- ly requested an automatic six-month extension. Provide each shareholder with a copy of the Schedule K-1.

Under U.S. Treasury Department guidelines, we are required to inform you that (1) any tax advice contained in this issue of Horizons is not intended or written to be used, and cannot be used by you, for the purpose of avoiding penalties that may be imposed by the Internal Revenue Service, (2) no part of any tax advice contained in this issue of Horizons is intended to be used, and cannot be used, by any party to market or promote any transaction or matter addressed in this issue of Horizons without the express and written consent of RubinBrown LLP (3) RubinBrown LLP imposes no limitation on the recipient of any tax advice contained in this issue of Horizons on the disclosure of the tax treatment or tax strategies or tax structuring described in any article contained in this issue of Horizons, and (4) any fees otherwise payable to RubinBrown LLP in connection with any written tax advice contained in this issue of Horizons are not refundable or contingent on your realization of tax benefits based on any articles contained in this issue of Horizons.