Supplement Dated October 10, 2012

To The Current Prospectus For:

ING Variable Annuity

ING Marathon Plus

ING Marathon Plus (IICA)

Issued by ING Life Insurance and Annuity Company

Through Its Variable Annuity Account B and Variable Annuity Account I 

This supplement updates the prospectus for your variable annuity contract. Please read it carefully and keep it with 

your copy of the prospectus for future reference. If you have any questions, please call our Customer Service Center 

at 1-800-366-0066. 

1.	Effective October 3, 2012, each of the following Portfolios’ classification changed from non-
	diversified to diversified:
		·	ING Russell™ Large Cap Growth Index Portfolio
		·	ING Russell™ Large Cap Value Index Portfolio
	All references in the Prospectus to the above Portfolios are changed accordingly.
2.	The following information only affects you if you currently invest in or plan to invest in the
	subaccount that corresponds to the ING Thornburg Value Portfolio, which is currently open to new
	investments:
	a.	Effective on the close of business November 16, 2012, the investment portfolio's name will
		change to the ING Growth and Income Core Portfolio.
	b.	In addition, the investment portfolio’s Investment Objective will change as follows:
			Prior to November 16, 2012, the Portfolio seeks long-term capital appreciation, and
			secondarily, current income.
			Effective on the close of business November 16, 2012, the Portfolio seeks to maximize total
			return through investments in a diversified portfolio of common stocks and securities
			convertible into common stocks. It is anticipated that capital appreciation and investment
			income will both be major factors in achieving total return.
	c.	From the close of business on November 16, 2012 through the close of business on November 30,
		2012, the Portfolio will be managed by a transition manager in preparation for a subadviser
		change from Thornburg Investment Management, Inc. to ING Investment Management Co. LLC.
		Effective on the close of business November 30, 2012, ING Investment Management Co. LLC
		will begin managing the Portfolio under an interim subadvisory agreement. Subject to
		shareholder approval, a new permanent subadvisory agreement with ING Investment
		Management Co. LLC will be effective on or about February 27, 2013.
	All references in the Prospectus to ING Thornburg Value Portfolio, its investment objective and its
	subadviser are changed accordingly.

X.VAMAR-12  October 2012