Contract

Exhibit 24(b)(8.50)

FIFTH AMENDMENT TO

THE SELLING AND SERVICES AGREEMENT AND PARTICIPATION

AGREEMENT

          This Fifth Amendment dated as of November 1, 2012 (the “Amendment”) by and among

Columbia Management Investment Distributors, Inc. (formerly RiverSource Fund Distributors,

Inc.) (“Distributor”), Columbia Management Investment Services Corp. (formerly RiverSource

Service Corporation) ( “Transfer Agent”), ING Life Insurance and Annuity Company (“ING

Life”), ING Institutional Plan Services, LLC (“ING Institutional”) and ING Financial

Advisers, LLC (“ING Financial”) (collectively, “ING), to the Selling and Services Agreement

and Fund Participation Agreement dated September 26, 2005, (the “Agreement”), as amended on

April 1, 2008, February 18, 2009, including the assignment of the Agreement in a letter dated

March 12, 2010, and March 21, 2011. Terms defined in the Agreement are used herein as

therein defined.

RECITALS

          WHEREAS, it is anticipated that certain features for Class A, R3, R4, R5, Y and Z shares

of the Columbia Funds (the “Funds”) will be changing in the fourth quarter of 2012 and the first

quarter of 2013, including certain changes to Fund share class names, fee structures, and

eligibility requirements; the reopening of certain Fund share classes; and the partial closing of

certain Fund share classes;

          WHEREAS, among other changes, it is anticipated that existing Class R4 shares will be

re-named Class K shares on or about October 25, 2012;

          WHEREAS, among other changes, it is anticipated that existing Class R3 shares will then

be re-named Class R4 shares on or about October 31, 2012 and will no longer be subject to a

___% distribution fee or ___% plan administration fee effective November 1, 2012;

          WHEREAS, all changes to Fund share class features, including those features

specifically referenced in these Recitals, shall be effective on the dates specified in each

applicable Prospectus, as supplemented;

          WHEREAS, the Transfer Agent, the Distributor and ING are parties to the Agreement

and desire to amend the Agreement in the manner hereinafter set forth;

          NOW, THEREFORE, the parties agree as follows:

1. Fee Schedule. Schedule C of the Agreement is revised in its entirety to read in the form

attached hereto. ING acknowledges the anticipated name changes to Class R3 and R4 shares

referenced in the Recital clauses. ING also acknowledges and agrees that Fees are payable

Document Number: 328097

		only with respect to shares maintained in omnibus accounts and are subject to the eligibility
		requirements for each Fund share class.
2	.	Amendment. This Amendment may be executed by the parties hereto in separate
		counterparts, each of which when so executed and delivered shall be an original but all of
		which taken together will constitute one and the same instrument.
		As modified herein, the Agreement is confirmed and shall remain in full force and effect.

IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Amendment as of the date and year first above written.
ING Life Insurance and Annuity Company	Columbia Management Investment
	Distributors, Inc.
By: /s/ Xxxx Xxxxxxx	By: /s/ Xxxxx Xxxxxxx
Name: Xxxx Xxxxxxx	Name: Xxxxx Xxxxxxx
Title: Vice President	Title Vice President
ING Institutional Plan Services, LLC	Columbia Management Investment
	Services Corp.
By: /s/ Xxxx Xxxxxxx	By: /s/ Xxxxx X. Xxxxx
Name: Xxxx Xxxxxxx	Xxxxx X. Xxxxx
Title: Vice President	Vice President
ING Financial Advisers, LLC
By: /s/ Xxxxx Xxxxxx
Name: Xxxxx Xxxxxx
Title: Vice President
Document Number: 328097

SCHEDULE C

COMPENSATION

In consideration of the Administrative Services provided by ING pursuant to the

Agreement to which this is attached, Transfer Agent shall pay ING an amount equal to ___ bps

on Class A, R, and R4 Shares; ___ bps on Class Z Shares; ___ bps on Class K and R5

Shares; and ___ bps on Class Y Shares per annum of the average daily net asset value of Fund

Shares held in the Accounts, each calendar quarter.

Exceptions: ___ bps on all Index Fund Shares, ___ bps on all Money Market Fund Shares

In addition, with respect to Class K Shares, Transfer Agent shall pay ING the Plan

Administration Fee collected from the Funds in an amount equal to ___ bps per annum of

the average daily net asset value of Class K Shares.

ING shall calculate this payment at the end of each calendar quarter and shall forward an

invoice in a mutually agreeable electronic format to Transfer Agent, along with such other

supporting data as may be reasonably requested by Transfer Agent. Such invoice, at a minimum,

shall designate the Funds in which assets are invested and shall identify: (1) the Account

number(s) for each Plan, if applicable, (2) the average daily net asset value of Fund shares held

in the Account(s) on which the fee is paid and (3) the amount of such fee. Transfer Agent shall

make such payment to ING via check as soon as practicable after receipt of the invoice. Failure

to submit such invoice to Transfer Agent within 60 days of quarter end may result in Transfer

Agent’s inability to pay ING for Administrative Services provided during such quarter.

Document Number: 328097