NASDAQ OMX Group (NDAQ)

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) Plan, for U.S. employees. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Condensed Consolidated Statements of Income was $1 million for both the three months ended March 31, 2009 and 2008.

PHLX also sponsored a voluntary defined contribution 401(k) plan for former PHLX employees. This plan was merged into the NASDAQ OMX 401(k) Plan effective January 1, 2009.

We have a profit-sharing contribution feature to our 401(k) plan which allows eligible U.S. employees to receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we have a supplemental ERC for select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. Included in compensation and benefits expense in the Condensed Consolidated Statements of Income was ERC expense of $1 million for both the three months ended March 31, 2009 and 2008.

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) Plan, for U.S. employees. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Consolidated Statements of Income was $3.8 million in 2008 and $3.2 million in both 2007 and 2006.

PHLX also sponsored a voluntary defined contribution 401(k) plan for former PHLX employees. This plan was merged into our 401(k) Plan effective January 1, 2009.

We also added a profit-sharing contribution feature to our 401(k) plan on July 1, 2007. Eligible U.S. employees receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we adopted a supplemental ERC for select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. Included in compensation and benefits expense in the Consolidated Statement of Income was ERC expense of $4.0 million in 2008 and $3.3 million in 2007. Former active PHLX employees are also eligible to receive ERCs in 2008.

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The NASDAQ OMX Group, Inc.

Notes to Consolidated Financial Statements—(Continued)

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) Plan, for U.S. employees. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Condensed Consolidated Statements of Income was $1.0 million for the three months ended September 30, 2008 compared with $0.8 million in the three months ended September 30, 2007 and $2.8 million for the nine months ended September 30, 2008 compared with $2.5 million for the nine months ended September 30, 2007.

PHLX also sponsors a voluntary defined contribution 401(k) plan for former PHLX employees. This plan will be merged into our 401(k) Plan effective January 1, 2009.

We also added a new profit-sharing contribution feature to our 401(k) plan. Eligible U.S. employees receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we adopted a supplemental ERC for select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. The ERC and supplemental ERC began on July 1, 2007. ERC expense was $1.0 million for the three months ended September 30, 2008 compared to $0.9 million for the three months ended September 30, 2007 and $3.0 million for the nine months ended September 30, 2008 compared to $0.9 million for the nine months ended September 30, 2007. Theses costs are included in compensation and benefits expense in the Condensed Consolidated Statements of Income. Former active PHLX employees are also eligible to receive ERCs in 2008.

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Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) plan, for U.S. employees. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Condensed Consolidated Statements of Income was $0.9 million for the three months ended June 30, 2008 compared with $0.8 million in the three months ended June 30, 2007 and $1.7 million for the six months ended June 30, 2008 and 2007.

We also added a new profit-sharing contribution feature to our 401(k) plan. Eligible U.S. employees will receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we adopted a supplemental ERC for a select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. The ERC and supplement ERC began on July 1, 2007. ERC expense was $1.0 million for the three months ended June 30, 2008 and $2.0 million for the six months ended June 30, 2008 and is included in compensation and benefits expense in the Condensed Consolidated Statements of Income.

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) plan for U.S. employees. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Condensed Consolidated Statements of Income was $0.9 million for the three months ended March 31, 2008 and $0.8 million for the three months ended March 31, 2007.

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We also added a new profit-sharing contribution feature to our 401(k) plan. Eligible U.S. employees will receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we adopted a supplemental ERC for a select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. The ERC and supplement ERC began on July 1, 2007. ERC expense was $1.0 million in the first quarter of 2008 and is included in compensation and benefits expense in the Condensed Consolidated Statements of Income.

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan, or 401(k) plan. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0% of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Consolidated Statements of Income was $3.2 million in both 2007 and 2006 and $2.7 million in 2005.

We also added a new profit-sharing contribution feature to our 401(k) plan. Eligible employees will receive employer retirement contributions, or ERCs, when we meet our annual corporate goals. In addition, we adopted a supplement ERC for a select highly compensated employees whose ERCs are limited by the annual Internal Revenue Service compensation limit. The ERC and supplement ERC began on July 1, 2007. ERC expense was $3.3 million in 2007 and is included in compensation and benefits expense in the Consolidated Statements of Income. Of this amount, 50% was based on us meeting our annual corporate goals and 50% was based on discretionary contributions made by the Nasdaq Management Compensation Committee.

Defined Contribution Savings Plan

We sponsor a voluntary defined contribution savings plan. Employees are immediately eligible to make contributions to the plan and are also eligible for an employer contribution match at an amount equal to 100.0%

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The Nasdaq Stock Market, Inc.

Notes to Consolidated Financial Statements—(Continued)

of the first 4.0% of eligible employee contributions. Savings plan expense included in compensation and benefits expense in the Consolidated Statements of Income was $3.2 million in 2006, $2.7 million in 2005 and $3.1 million in 2004.