Nuveen Select Tax-Free Income Portfolio 2

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM N-Q


QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number         811-6622         

        Nuveen Select Tax-Free Income Portfolio 2         
(Exact name of registrant as specified in charter)


        333 West Wacker Drive, Chicago, Illinois 60606         

(Address of principal executive offices) (Zip code)


Jessica R. Droeger—Vice President and Secretary
        333 West Wacker Drive, Chicago, Illinois 60606         

(Name and address of agent for service)

Registrant's telephone number, including area code:         312-917-7700        

Date of fiscal year end:            09/30          

Date of reporting period:          12/31/04         

Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (§§ 239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after the close of the first and third fiscal quarters, pursuant to rule 30b1-5 under the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget (“OMB”) control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to the Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.

Item 1. Schedule of Investments

Portfolio of Investments (Unaudited)
Nuveen Select Tax-Free Income Portfolio 2 (NXQ)
December 31, 2004


Principal

Optional Call

Market

Amount (000)

Description

Provisions*

Ratings**

Value


Arkansas - 1.6%

 

$

1,000

Fort Smith, Arkansas, Water and Sewer Revenue Refunding and Construction Bonds, Series 2002A,

10/11 at 100.00

AAA

$    1,074,800

   5.000%, 10/01/19 - FSA Insured

 

1,000

Sebastian County Health Facilities Board, Arkansas, Hospital Revenue Improvement Bonds, Sparks

11/11 at 101.00

Baa1

1,014,350

   Regional Medical Center, Series 2001A, 5.250%, 11/01/21

 

2,000

University of Arkansas, Fayetteville, Various Facilities Revenue Bonds, Series 2002, 5.000%,

12/12 at 100.00

Aaa

2,044,120

   12/01/32 - FGIC Insured


California - 5.5%

 

1,000

Alameda Corridor Transportation Authority, California, Subordinate Lien Revenue Bonds, Series

10/17 at 100.00

AAA

712,190

   2004A, 0.000%, 10/01/25 - AMBAC Insured

 

2,500

California, General Obligation Bonds, Series 1997, 5.000%, 10/01/18 - AMBAC Insured

10/07 at 101.00

AAA

2,665,250

 

3,325

California Department of Water Resources, Power Supply Revenue Bonds, Series 2002A, 6.000%,

5/12 at 101.00

A2

3,867,973

   5/01/14

 

2,000

California State Public Works Board, Lease Revenue Refunding Bonds, Various University of

No Opt. Call

Aa2

2,251,280

   California Projects, Series 1993A, 5.500%, 6/01/14

 

500

California State Public Works Board, Lease Revenue Refunding Bonds, Community Colleges Projects,

12/08 at 101.00

A-

523,840

   Series 1998A, 5.250%, 12/01/16

 

500

Contra Costa Water District, California, Water Revenue Refunding Bonds, Series 1997H, 5.000%,

10/07 at 100.00

AA

528,425

   10/01/17

 

500

Contra Costa County, California, Certificates of Participation Refunding, Merrithew Memorial

11/07 at 102.00

AAA

546,290

   Hospital Replacement Project, Series 1997, 5.375%, 11/01/17 - MBIA Insured

 

3,000

Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed Bonds,

6/13 at 100.00

BBB

3,004,530

   Series 2003A-1, 6.750%, 6/01/39


Colorado - 8.7%

 

Colorado Health Facilities Authority, Revenue Bonds, Catholic Health Initiatives, Series 2002A:

1,700

   5.500%, 3/01/22

3/12 at 100.00

AA***

1,913,741

1,300

   5.500%, 3/01/22

3/12 at 100.00

AA

1,415,570

 

1,555

Denver City and County, Colorado, Airport System Revenue Refunding Bonds, Series 2001, 5.500%,

11/11 at 100.00

AAA

1,738,412

   11/15/16 - FGIC Insured

 

5,000

Denver City and County, Colorado, Airport System Revenue Refunding Bonds, Series 2001A, 5.625%,

11/11 at 100.00

AAA

5,510,550

   11/15/17 (Alternative Minimum Tax) - FGIC Insured

 

3,185

Denver City and County, Colorado, Airport System Revenue Bonds, Series 1991D, 7.750%, 11/15/13

No Opt. Call

A

3,862,768

   (Alternative Minimum Tax)

 

3,000

Denver Convention Center Hotel Authority, Colorado, Senior Revenue Bonds, Convention Center Hotel,

12/13 at 100.00

AAA

3,141,600

   Series 2003A, 5.000%, 12/01/23 - XLCA Insured

 

E-470 Public Highway Authority, Colorado, Senior Revenue Bonds, Series 2000B:

5,000

   0.000%, 9/01/24 - MBIA Insured

No Opt. Call

AAA

1,907,650

5,000

   0.000%, 9/01/28 (Pre-refunded to 9/01/10) - MBIA Insured

9/10 at 31.42

AAA

1,295,100

 

250

Northwest Parkway Public Highway Authority, Colorado, Revenue Bonds, Senior Series 2001A, 5.250%,

6/11 at 102.00

AAA

261,718

   6/15/41 - FSA Insured

 

1,100

University of Colorado Hospital Authority, Hospital Revenue Bonds, Series 2001A, 5.600%, 11/15/31

11/11 at 100.00

A3

1,136,751


District of Columbia - 0.2%

 

500

District of Columbia, Hospital Revenue Refunding Bonds, Medlantic Healthcare Group, Series 1996A,

8/06 at 102.00

AAA

534,595

   5.750%, 8/15/16 - MBIA Insured


Florida - 2.4%

 

6,060

JEA St. John's River Power Park System, Florida, Revenue Refunding Bonds, Issue Two, Series Nine,

4/05 at 100.00

Aa2

6,070,060

   5.250%, 10/01/21


Hawaii - 0.5%

 

1,100

Hawaii, Certificates of Participation, Kapolei State Office Building, Series 1998A, 5.000%,

11/08 at 101.00

AAA

1,179,519

   5/01/17 - AMBAC Insured


Illinois - 14.4%

 

4,425

Chicago Metropolitan Housing Development Corporation, Illinois, FHA-Insured Section 8 Housing

1/05 at 100.00

AA

4,432,611

   Development Revenue Refunding Bonds, Series 1992, 6.800%, 7/01/17

 

2,400

Chicago, Illinois, Special Facility Revenue Refunding Bonds, O'Hare International Airport, United

No Opt. Call

N/R

504,000

   Air Lines Inc. Project, Series 2001C, 6.300%, 5/01/16#

 

250

Illinois Development Finance Authority, Economic Development Revenue Bonds, Latin School of Chicago

8/08 at 100.00

Baa2

262,400

   Project, Series 1998, 5.200%, 8/01/11

 

3,000

Illinois Health Facilities Authority, Revenue Bonds, Rush-Presbyterian St. Luke's Medical Center

5/05 at 101.00

AAA

3,034,800

   Obligated Group, Series 1993, 5.250%, 11/15/20 - MBIA Insured

 

1,055

Illinois Health Facilities Authority, Revenue Bonds, Loyola University Health System, Series 2001A,

7/11 at 100.00

Baa1

1,092,959

   6.125%, 7/01/31

 

2,255

Illinois Health Facilities Authority, Revenue Bonds, Lake Forest Hospital, Series 2002A, 6.250%,

7/12 at 100.00

A-

2,503,095

   7/01/22

 

1,900

Illinois Housing Development Authority, Homeowner Mortgage Revenue Bonds, Series 2000D-3, 5.700%,

2/10 at 100.00

AA

2,034,368

   8/01/17

 

600

Illinois Educational Facilities Authority, Student Housing Revenue Bonds, Educational Advancement

5/12 at 101.00

Baa2

641,910

   Foundation Fund, University Center Project, Series 2002, 6.000%, 5/01/22

 

5,700

Illinois, Sales Tax Revenue Bonds, First Series 2002, 5.000%, 6/15/22

6/13 at 100.00

AAA

6,007,116

 

45

Metropolitan Pier and Exposition Authority, Illinois, Revenue Bonds, McCormick Place Expansion

6/05 at 100.00

A1

45,530

   Project, Series 1992A, 6.500%, 6/15/22

 

7,000

Metropolitan Pier and Exposition Authority, Illinois, Revenue Refunding Bonds, McCormick Place

6/12 at 101.00

AAA

7,407,750

   Expansion Project, Series 2002B, 5.000%, 6/15/21 - MBIA Insured

 

5,045

Sauk Village, Illinois, General Obligation Alternate Revenue Source Bonds, Tax Increment, Series

12/12 at 100.00

AA

5,190,952

   2002A, 5.000%, 6/01/22 - RAAI Insured

 

Sauk Village, Illinois, General Obligation Alternate Revenue Source Bonds, Tax Increment, Series

2002B:

1,060

   0.000%, 12/01/17 - RAAI Insured

No Opt. Call

AA

560,814

1,135

   0.000%, 12/01/18 - RAAI Insured

No Opt. Call

AA

567,909

 

1,100

Schaumburg, Illinois, General Obligation Bonds, Series 2004B, 5.250%, 12/01/34 - FGIC Insured

12/14 at 100.00

AAA

1,168,629

 

1,000

Yorkville, Illinois, General Obligation Debt Certificates, Series 2003, 5.000%, 12/15/21 - RAAI

12/11 at 100.00

AA

1,028,350

   Insured


Indiana - 2.8%

 

1,000

Franklin Community Multi-School Building Corporation, Marion County, Indiana, First Mortgage

7/14 at 100.00

AAA

1,059,500

   Revenue Bonds, Series 2004, 5.000%, 7/15/22 - FGIC Insured

 

4,380

Indiana Municipal Power Agency, Power Supply System Revenue Bonds, Series 2002A, 5.125%, 1/01/21 -

1/12 at 100.00

AAA

4,633,865

   AMBAC Insured

 

1,440

Indiana Housing Finance Authority, Single Family Mortgage Revenue Bonds, Series 2002C-2, 5.250%,

7/11 at 100.00

Aaa

1,491,667

   7/01/23 (Alternative Minimum Tax)


Iowa - 1.5%

 

Iowa Tobacco Settlement Authority, Tobacco Settlement Asset-Backed Revenue Bonds, Series 2001B:

1,000

   5.300%, 6/01/25

6/11 at 101.00

BBB

883,340

3,500

   5.600%, 6/01/35

6/11 at 101.00

BBB

3,032,855


Louisiana - 2.1%

 

2,125

Louisiana Public Facilities Authority, Revenue Bonds, Baton Rouge General Hospital, Series 2004,

7/14 at 100.00

AAA

2,277,660

   5.250%, 7/01/24 - MBIA Insured

 

3,000

Louisiana Public Facilities Authority, Revenue Bonds, Tulane University, Series 2002A, 5.125%,

7/12 at 100.00

AAA

3,129,870

   7/01/27 - AMBAC Insured


Massachusetts - 2.2%

 

3,000

Massachusetts Health and Educational Facilities Authority, Revenue Bonds, Berkshire Health System,

10/11 at 101.00

BBB+

3,147,330

   Series 2001E, 6.250%, 10/01/31

 

2,090

Massachusetts Water Resources Authority, General Revenue Bonds, Series 1993C, 5.250%, 12/01/15 -

No Opt. Call

AAA

2,352,086

   MBIA Insured


Michigan - 2.0%

 

2,900

Michigan State Hospital Finance Authority, Revenue Refunding Bonds, Trinity Health Credit Group,

12/12 at 100.00

AA-

3,003,791

   Series 2002C, 5.375%, 12/01/30

 

2,000

Plymouth-Canton Community School District, Wayne and Washtenaw Counties, Michigan, Unlimited Tax

5/09 at 100.00

AA+

2,096,660

   General Obligation School Building and Site Bonds, Series 1999, 4.750%, 5/01/18


Nevada - 7.0%

 

500

Clark County, Nevada, Limited Tax General Obligation Las Vegas Convention and Visitors Authority

7/06 at 101.00

AAA

527,225

   Bonds, Series 1996, 5.500%, 7/01/17 - MBIA Insured

 

1,500

Clark County, Nevada, General Obligation Bank Bonds, Southern Nevada Water Authority Loan, Series

6/11 at 100.00

AAA

1,648,140

   2001, 5.300%, 6/01/19 - FGIC Insured

 

Director of Nevada State Department of Business and Industry, Revenue Bonds, Las Vegas Monorail

Project, First Tier, Series 2000:

4,595

   0.000%, 1/01/22 - AMBAC Insured

No Opt. Call

AAA

1,962,984

13,250

   5.375%, 1/01/40 - AMBAC Insured

1/10 at 100.00

AAA

13,742,900


New Jersey - 1.0%

 

2,500

New Jersey Health Care Facilities Financing Authority, Revenue Bonds, Somerset Medical Center,

7/13 at 100.00

Baa3

2,575,225

   Series 2003, 5.500%, 7/01/23


New Mexico - 2.4%

 

University of New Mexico, FHA-Insured Mortgage Hospital Revenue Bonds, Series 2004:

555

   4.625%, 1/01/25 - FSA Insured

7/14 at 100.00

AAA

556,060

660

   4.625%, 7/01/25 - FSA Insured

7/14 at 100.00

AAA

661,261

2,000

   4.750%, 7/01/27 - FSA Insured

7/14 at 100.00

AAA

2,004,560

3,000

   4.750%, 1/01/28 - FSA Insured

7/14 at 100.00

AAA

2,987,520


New York - 6.5%

 

2,000

New York City Municipal Water Finance Authority, New York, Water and Sewerage System Revenue Bonds,

12/14 at 100.00

AAA

2,056,840

   Fiscal Series 2005B, 5.000%, 6/15/36 - FSA Insured

 

2,700

Dormitory Authority of the State of New York, Revenue Bonds, Mount Sinai NYU Health Obligated

7/10 at 101.00

Ba1

2,862,486

   Group, Series 2000A, 6.500%, 7/01/17

 

4,000

New York State Medical Care Facilities Finance Agency, FHA-Insured Mortgage Revenue Bonds, New York

2/05 at 102.00

AAA

4,103,160

   and Presbyterian Hospital, Series 1994A, 6.750%, 8/15/14 (Pre-refunded to 2/15/05) - AMBAC Insured

 

3,000

New York State Tobacco Settlement Financing Corporation, Tobacco Settlement Asset-Backed and State

6/11 at 100.00

AA-

3,312,150

   Contingency Contract-Backed Bonds, Series 2003B-1C, 5.500%, 6/01/16

 

3,810

Triborough Bridge and Tunnel Authority, New York, Convention Center Bonds, Series 1990E, 7.250%,

No Opt. Call

AA-

4,265,981

   1/01/10


North Carolina - 0.6%

 

1,500

Charlotte-Mecklenburg Hospital Authority, North Carolina, Healthcare System Revenue Bonds,

1/11 at 101.00

AA

1,513,245

   Carolinas Healthcare System, Series 2001A, 5.000%, 1/15/31


Ohio - 1.1%

 

2,800

Cuyahoga County, Ohio, Hospital Revenue Bonds, Cleveland Clinic Foundation - Meridia Health System,

8/05 at 102.00

AAA

2,928,268

   Series 1995, 6.250%, 8/15/14 (Pre-refunded to 8/15/05)


Pennsylvania - 2.3%

 

1,000

Dauphin County General Authority, Pennsylvania, Health System Revenue Bonds, Pinnacle Health System

2/09 at 101.00

AAA

1,069,590

   Project, Series 1999, 5.125%, 8/15/17 - MBIA Insured

 

1,000

Philadelphia Authority for Industrial Development, Pennsylvania, Airport Revenue Bonds,

7/11 at 101.00

AAA

1,098,320

   Philadelphia Airport System Project, Series 2001A, 5.500%, 7/01/17 (Alternative Minimum Tax) -

   FGIC Insured

 

3,250

Philadelphia School District, Pennsylvania, General Obligation Bonds, Series 2002A, 5.500%,

2/12 at 100.00

AAA

3,717,675

   2/01/31 (Pre-refunded to 2/01/12) - FSA Insured


Puerto Rico - 1.3%

 

3,000

Puerto Rico Housing Finance Authority, Capital Fund Program Revenue Bonds, Series 2003, 5.000%,

12/13 at 100.00

AA***

3,187,170

   12/01/20


Rhode Island - 1.8%

 

5,000

Rhode Island Tobacco Settlement Financing Corporation, Tobacco Settlement Asset-Backed Bonds,

6/12 at 100.00

BBB

4,650,600

   Series 2002A, 6.250%, 6/01/42


South Carolina - 6.3%

 

4,000

Greenville County School District, South Carolina, Installment Purchase Revenue Bonds, Series 2002,

12/12 at 101.00

AA-

4,504,720

   5.875%, 12/01/19

 

2,500

Lexington County Health Service District, South Carolina, Hospital Revenue Refunding and

11/13 at 100.00

A

2,799,100

   Improvement Bonds, Series 2003, 6.000%, 11/01/18

 

8,350

South Carolina Public Service Authority, Revenue Refunding Bonds, Santee Cooper Electric System,

1/06 at 102.00

AAA

8,777,520

   Series 1996A, 5.750%, 1/01/22 - MBIA Insured


South Dakota - 0.4%

 

1,000

South Dakota Health and Educational Facilities Authority, Revenue Bonds, Sioux Valley Hospital and

11/14 at 100.00

A+

1,013,110

   Health System, Series 2004A, 5.250%, 11/01/34


Texas - 14.0%

 

4,000

Brazos River Harbor Navigation District, Brazoria County, Texas, Environmental Facilities Revenue

5/12 at 101.00

A-

4,370,160

   Bonds, Dow Chemical Company Project, Series 2002A-6, 6.250%, 5/15/33 (Alternative Minimum Tax)

   (Mandatory put 5/15/17)

 

1,330

Cleveland Housing Corporation, Texas, FHA-Insured Section 8 Assisted Mortgage Revenue Refunding

1/05 at 100.00

AAA

1,332,221

   Bonds, Series 1992C, 7.375%, 7/01/24 - MBIA Insured

 

4,550

Harris County-Houston Sports Authority, Texas, Junior Lien Revenue Bonds, Series 2001H, 0.000%,

11/31 at 53.78

AAA

558,649

   11/15/41 - MBIA Insured

 

2,500

Harris County Health Facilities Development Corporation, Texas, Hospital Revenue Bonds, Texas

10/05 at 102.00

AAA

2,847,900

   Children's Hospital, Series 1995, 5.500%, 10/01/16 - MBIA Insured

 

3,000

Harris County Health Facilities Development Corporation, Texas, Thermal Utility Revenue Bonds, TECO

11/13 at 100.00

AAA

3,057,960

   Project, Series 2003, 5.000%, 11/15/30 - MBIA Insured

 

2,000

Houston, Texas, Airport System Subordinate Lien Revenue Bonds, Series 2002A, 5.625%, 7/01/20

7/12 at 100.00

AAA

2,196,160

   (Alternative Minimum Tax) - FSA Insured

 

3,125

Katy Independent School District, Harris, Fort Bend and Waller Counties, Texas, General Obligation

2/12 at 100.00

AAA

3,175,719

   Bonds, Series 2002A, 5.000%, 2/15/32

 

1,000

Killeen Independent School District, Bell County, Texas, General Obligation Bonds, Series 1998,

2/08 at 100.00

AAA

1,067,470

   5.000%, 2/15/14

 

4,750

Sam Rayburn Municipal Power Agency, Texas, Power Supply System Revenue Refunding Bonds, Series

10/12 at 100.00

AA

5,170,945

   2002A, 5.500%, 10/01/17 - RAAI Insured

 

1,000

Texas, General Obligation Bonds, Water Financial Assistance Program, Series 2003A, 5.125%, 8/01/42

8/13 at 100.00

Aa1

1,009,290

   (Alternative Minimum Tax)

 

8,900

Texas Turnpike Authority, Dallas North Tollway System Revenue Bonds, President George Bush

1/06 at 102.00

AAA

9,269,528

   Turnpike, Series 1995, 5.250%, 1/01/23 - FGIC Insured

 

1,250

Texas Water Development Board, Senior Lien State Revolving Fund Revenue Bonds, Series 1996B,

1/07 at 100.00

AAA

1,306,813

   5.125%, 7/15/18


Utah - 0.6%

 

1,435

Salt Lake City and Sandy Metropolitan Water District, Utah, Water Revenue Bonds, Series 2004,

7/14 at 100.00

Aaa

1,531,701

   5.000%, 7/01/21


Vermont - 2.7%

 

3,000

Vermont Housing Finance Agency, Multifamily Housing Bonds, Series 1999C, 5.800%, 8/15/16 - FSA

2/09 at 100.00

AAA

3,163,080

   Insured

 

3,600

Vermont Industrial Development Authority, Industrial Development Revenue Refunding Bonds, Stanley

3/05 at 100.00

A

3,607,092

   Works Inc. Project, Series 1992, 6.750%, 9/01/10


Virginia - 0.5%

 

250

Norfolk, Virginia, Water Revenue Bonds, Series 1995, 5.750%, 11/01/13 - MBIA Insured

11/05 at 102.00

AAA

262,250

 

1,000

Virginia Transportation Board, Transportation Revenue Refunding Bonds, U.S. Route 58 Corridor

5/07 at 101.00

AA+

1,063,160

   Development Program, Series 1997C, 5.125%, 5/15/19


Washington - 3.6%

 

2,000

Washington State Healthcare Facilities Authority, Revenue Bonds, Catholic Health Initiatives,

12/07 at 101.00

AAA

2,141,640

   Series 1997A, 5.125%, 12/01/17 - MBIA Insured

 

6,715

Washington State Healthcare Facilities Authority, Revenue Bonds, Sisters of Providence Health

10/11 at 100.00

AAA

7,149,461

   System, Series 2001A, 5.125%, 10/01/17 - MBIA Insured


Wisconsin - 2.1%

 

4,000

Wisconsin Housing and Economic Development Authority, Home Ownership Revenue Bonds, Series 2002G,

3/12 at 100.00

AA

4,198,120

   4.850%, 9/01/17

 

1,000

Wisconsin Health and Educational Facilities Authority, Revenue Bonds, Wheaton Franciscan Services

8/13 at 100.00

A

1,073,640

   Inc., Series 2003A, 5.500%, 8/15/18


$

254,355

Total Long-Term Investments (cost $240,572,386) - 98.1%

249,871,668



Short-Term Investments - 0.4%

 

1,000

New York City, New York, General Obligation Bonds, Variable Rate Demand Obligations, Fiscal Series

A-1+

1,000,000

   2002A-7, 1.880%, 11/01/24 - AMBAC Insured †


$

1,000

Total Short-Term Investments (cost $1,000,000)

1,000,000



Total Investments (cost $241,572,386) - 98.5%

250,871,668


Other Assets Less Liabilities - 1.5%

3,859,305


Net Assets - 100%

$254,730,973


*  

Optional Call Provisions: Dates (month and year) and prices of the earliest optional call or redemption. There

may be other call provisions at varying prices at later dates.

**  

Ratings: Using the higher of Standard & Poor's or Moody's rating.

***  

Securities are backed by an escrow or trust containing sufficient U.S. Government or U.S. Government agency

securities which ensures the timely payment of principal and interest. Such securities are normally considered

to be equivalent to AAA rated securities.

#  

On December 9, 2002, UAL Corporation, the holding company of United Air Lines, Inc. filed for federal

bankruptcy protection. The Adviser determined that it was likely United would not remain current on their

interest payment obligations with respect to these bonds and thus has stopped accruing interest.

N/R  

Investment is not rated.

†  

Security has a maturity of more than one year, but has variable rate and demand features which qualify it as a

short-term security. The rate disclosed is that currently in effect. This rate changes periodically based on

market conditions or a specified market index.

Income Tax Information

The following information is presented on an income tax basis. Differences between amounts for financial

statement and federal income tax purposes are primarily due to timing differences in recognizing income on

taxable market discount securities and timing differences in recognizing certain gains and losses on security

transactions.

At December 31, 2004, the cost of investments was $241,494,722.

Gross unrealized appreciation and gross unrealized depreciation of investments at December 31, 2004, were as

follows:


Gross unrealized:

   Appreciation

$11,706,363

   Depreciation

(2,329,417)


Net unrealized appreciation of investments

$   9,376,946


Item 2. Controls and Procedures.

  1. The registrant's principal executive and principal financial officers, or persons performing similar functions, have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the "1940 Act") (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days of the filing date of this report that includes the disclosure required by this paragraph, based on their evaluation of the controls and procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR 270.30a-3(b)) and Rule 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934 (17 CFR 240.13a-15(b) or 240.15d-15(b)).
  2. There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a-3(d)) that occurred during the registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting.

Item 3. Exhibits.

File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the 1940 Act (17 CFR 270.30a-2(a)), exactly as set forth below: EX-99 CERT Attached hereto.


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

(Registrant)         Nuveen Select Tax-Free Income Portfolio 2        

By (Signature and Title)*          /s/ Jessica R. Droeger--Vice President and Secretary        

Date         02/28/05        

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

By (Signature and Title)*         /s/ Gifford R. Zimmerman--Chief Administrative Officer (principal executive officer)        

Date         02/28/05        

By (Signature and Title)*         /s/ Stephen D. Foy--Vice President and Controller (principal financial officer)        

Date         02/28/05        

* Print the name and title of each signing officer under his or her signature.