UNITEDSTATES
SECURITIESANDEXCHANGECOMMISSION
Washington,D.C.20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-21280

Name of Fund: BlackRock Credit Allocation Income Trust III (BPP)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer, BlackRock
Credit Allocation Income Trust III, 55 East 52 nd Street, New York, NY 10055.

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2010

Date of reporting period: 07/31/2010

Item 1 – Schedule of Investments



Schedule of Investments July 31, 2010 (Unaudited)

BlackRock Credit Allocation Income Trust III (BPP)
(Percentages shown are based on Net Assets)

Common Stocks     Shares   Value  
Specialty Retail — 0.0%        
Lazydays RV Center, Inc. (a)     8,575   $ 43,818  
Total Common Stocks – 0.0%       43,818  
    Par    
Corporate Bonds     (000)    
Aerospace & Defense — 2.5%        
BE Aerospace, Inc., 8.50%,        
7/01/18   $ 1,215   1,321,313  
Bombardier, Inc., 7.75%,        
3/15/20 (b)     1,405   1,513,887  
United Technologies Corp., 5.70%,      
4/15/40     2,500   2,795,147  
      5,630,347  
Airlines — 0.7%        
Continental Airlines Pass-Through      
Certificates, Series 2009-2,        
Class B, 9.25%, 5/10/17     775   815,687  
Delta Air Lines, Inc., Series 02G1,      
6.72%, 7/02/24     656   628,340  
      1,444,027  
Auto Components — 0.6%        
Icahn Enterprises LP:        
7.75%, 1/15/16     420   421,050  
8.00%, 1/15/18     1,000   997,500  
      1,418,550  
Beverages — 0.5%        
Constellation Brands, Inc., 7.25%,      
5/15/17     955   993,200  
Building Products — 0.1%        
Building Materials Corp. of        
America, 7.00%, 2/15/20 (b)   250   251,875  
Capital Markets — 0.7%        
Ameriprise Financial, Inc., 5.30%,      
3/15/20     1,500   1,604,213  
Chemicals — 0.3%        
CF Industries, Inc., 7.13%,        
5/01/20     525   560,438  
Commercial Banks — 0.6%        
RESPARCS Funding LP I,        
8.00% (a)(c)(d)     4,000   1,310,000  
Commercial Services &        
Supplies — 3.0%        
Browning-Ferris Industries, Inc.,      
7.40%, 9/15/35     1,824   2,183,424  

 

  Par    
Corporate Bonds   (000)   Value  
Commercial Services & Supplies      
(concluded)      
Clean Harbors, Inc., 7.63%,      
8/15/16   $ 700   $ 722,750  
Corrections Corp. of America,      
7.75%, 6/01/17   1,600   1,708,000  
Waste Management, Inc., 6.13%,      
11/30/39   1,950   2,087,600  
    6,701,774  
Communications      
Equipment — 0.9%      
Brocade Communications      
Systems, Inc., 6.88%,      
1/15/20 (b)   1,450   1,482,625  
CC Holdings GS V LLC, 7.75%,      
5/01/17 (b)   440   480,700  
    1,963,325  
Consumer Finance — 3.9%      
Capital One Bank USA NA, 8.80%,      
7/15/19   1,625   2,068,490  
Inmarsat Finance Plc, 7.38%,      
12/01/17 (b)   1,020   1,045,500  
SLM Corp., 4.00%, 7/25/14 (e)   6,600   5,583,468  
    8,697,458  
Containers & Packaging — 1.2%      
Ball Corp.:      
7.13%, 9/01/16   850   913,750  
6.75%, 9/15/20   1,070   1,123,500  
Impress Holdings BV, 3.65%,      
9/15/13 (b)(e)   240   227,400  
Owens-Brockway Glass Container,      
Inc., 6.75%, 12/01/14   270   274,725  
Rock-Tenn Co., 9.25%, 3/15/16   150   162,937  
    2,702,312  
Diversified Financial      
Services — 3.4%      
Bank of America Corp.:      
7.63%, 6/01/19   2,320   2,711,423  
5.63%, 7/01/20   3,590   3,704,241  
GMAC, Inc., 8.30%, 2/12/15 (b)   1,000   1,052,500  
    7,468,164  
Diversified Telecommunication      
Services — 4.1%      
AT&T Inc., 6.30%, 1/15/38   2,000   2,226,130  
New Communications Holdings,      
Inc., 8.50%, 4/15/20 (b)   1,500   1,601,250  
Qwest Corp., 8.38%, 5/01/16   1,360   1,547,000  
Verizon Communications, Inc.,      
7.35%, 4/01/39   1,950   2,461,479  

 

Portfolio Abbreviations

To simplify the listings of portfolio holdings in the Schedule of Investments, the names and descriptions of many of the securities have been abbreviated
according to the following list:

GO

General Obligation Bonds

RB

Revenue Bonds

BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010

1



Schedule of Investments (continued)

BlackRock Credit Allocation Income Trust III (BPP)
(Percentages shown are based on Net Assets)

    Par    
Corporate Bonds     (000)   Value  
Diversified Telecommunication Services      
(concluded)        
Windstream Corp.:        
8.63%, 8/01/16   $ 320   $ 333,600  
7.88%, 11/01/17     900   915,750  
      9,085,209  
Electric Utilities — 1.8%        
Progress Energy Inc., 7.00%,        
10/30/31     2,000   2,430,950  
Southern California Edison Co.,        
5.50%, 3/15/40     1,400   1,531,166  
      3,962,116  
Electronic Equipment, Instruments        
& Components — 0.2%        
Jabil Circuit Inc., 8.25%, 3/15/18     400   436,000  
Energy Equipment &        
Services — 2.1%        
Compagnie Generale de        
Geophysique-Veritas, 7.75%,        
5/15/17     555   541,125  
Halliburton Co., 7.45%, 9/15/39     2,945   3,753,220  
Hornbeck Offshore Services, Inc.,        
Series B, 6.13%, 12/01/14     500   448,750  
      4,743,095  
Food & Staples Retailing — 3.5%        
CVS Caremark Corp., 6.30%,        
6/01/62 (e)     3,100   2,852,000  
Wal-Mart Stores, Inc.:        
5.25%, 9/01/35     1,850   1,926,427  
6.20%, 4/15/38     2,500   2,930,213  
      7,708,640  
Food Products — 1.0%        
Kraft Foods, Inc.:        
6.50%, 8/11/17     800   943,379  
6.13%, 8/23/18     800   930,386  
Smithfield Foods, Inc., 10.00%,        
7/15/14 (b)     350   391,125  
      2,264,890  
Gas Utilities — 1.0%        
Nisource Finance Corp., 6.13%,        
3/01/22     1,950   2,146,347  
Health Care Equipment &        
Supplies — 1.6%        
Fresenius US Finance II, Inc.,        
9.00%, 7/15/15 (b)     1,000   1,120,000  
Medtronic, Inc.:        
6.50%, 3/15/39     300   369,135  
5.55%, 3/15/40     1,765   1,963,984  
      3,453,119  
Health Care Providers &        
Services — 3.5%        
Aetna, Inc., 6.75%, 12/15/37     1,725   1,955,688  
HCA, Inc.:        
8.50%, 4/15/19     800   884,000  
7.25%, 9/15/20     1,250   1,321,875  
Tenet Healthcare Corp. (b):        
10.00%, 5/01/18     745   846,506  
8.88%, 7/01/19     550   605,000  

 

  Par    
Corporate Bonds   (000)   Value  
Health Care Providers & Services      
(concluded)      
UnitedHealth Group, Inc., 6.88%,      
2/15/38   $ 1,725   $ 2,002,197  
    7,615,266  
Household Durables — 0.3%      
Cemex Espana Luxembourg,      
9.25%, 5/12/20 (b)   723   648,893  
Insurance — 4.8%      
Liberty Mutual Group, Inc., 6.70%,      
8/15/16 (b)   610   636,203  
Lincoln National Corp., 6.25%,      
2/15/20   1,725   1,840,849  
Northwestern Mutual Life      
Insurance, 6.06%, 3/30/40 (b)   1,800   2,004,912  
Principal Financial Group, Inc.,      
8.88%, 5/15/19   475   593,310  
Prudential Financial, Inc., 6.63%,      
12/01/37   1,725   1,849,335  
QBE Insurance Group Ltd., 9.75%,      
3/14/14 (b)   2,975   3,606,375  
    10,530,984  
Life Sciences Tools &      
Services — 1.9%      
Bio-Rad Laboratories, Inc., 8.00%,      
9/15/16   1,830   1,958,100  
Life Technologies Corp., 6.00%,      
3/01/20   2,000   2,205,014  
    4,163,114  
Machinery — 1.7%      
AGY Holding Corp., 11.00%,      
11/15/14   390   331,500  
Ingersoll-Rand Global Holding Co.,      
Ltd., 9.50%, 4/15/14   1,725   2,130,744  
Navistar International Corp.,      
8.25%, 11/01/21   1,245   1,316,588  
    3,778,832  
Media — 9.5%      
CMP Susquehanna Corp., 3.64%,      
5/15/14 (a)(b)(d)   9   180  
CSC Holdings LLC:      
8.50%, 6/15/15   800   861,000  
8.63%, 2/15/19   580   633,650  
Comcast Corp., 6.30%, 11/15/17   1,725   1,996,091  
Comcast Holdings Corp., 2.00%,      
11/15/29 (f)   110   3,119,414  
Cox Communications, Inc., 8.38%,      
3/01/39 (b)   1,725   2,311,110  
DISH DBS Corp.:      
7.00%, 10/01/13   850   884,000  
7.88%, 9/01/19   550   584,375  
Gannett Co., Inc., 9.38%,      
11/15/17 (b)   900   976,500  
Intelsat Corp., 9.25%, 6/15/16   850   907,375  
News America, Inc., 6.15%,      
3/01/37   2,000   2,105,362  
Time Warner Cable, Inc., 6.75%,      
6/15/39   1,950   2,220,802  
Time Warner, Inc., 7.70%,      
5/01/32   2,000   2,444,016  

 

2 BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010



Schedule of Investments (continued)

BlackRock Credit Allocation Income Trust III (BPP)
(Percentages shown are based on Net Assets)

  Par    
Corporate Bonds   (000)   Value  
Media (concluded)      
UPC Germany GmbH, 8.13%,      
12/01/17 (b)   $ 505   $ 516,363  
Virgin Media Secured Finance Plc,      
6.50%, 1/15/18 (b)   1,300   1,345,500  
    20,905,738  
Metals & Mining — 1.5%      
AK Steel Corp., 7.63%, 5/15/20   500   501,875  
Phelps Dodge Corp., 7.13%,      
11/01/27   1,400   1,516,056  
Teck Resources Ltd., 10.75%,      
5/15/19   850   1,061,480  
United States Steel Corp., 7.38%,      
4/01/20   175   175,437  
    3,254,848  
Multi-Utilities — 1.6%      
CenterPoint Energy, Inc.:      
5.95%, 2/01/17   1,500   1,625,034  
6.50%, 5/01/18   1,600   1,800,754  
    3,425,788  
Multiline Retail — 2.6%      
Dollar General Corp., 10.63%,      
7/15/15   1,550   1,705,000  
JC Penney Co., Inc., 5.65%,      
6/01/20   4,100   4,120,500  
    5,825,500  
Oil, Gas & Consumable      
Fuels — 4.3%      
BP Capital Markets Plc, 3.88%,      
3/10/15   700   669,171  
Chesapeake Energy Corp., 6.25%,      
1/15/18   500   511,250  
Enbridge Energy Partners LP,      
9.88%, 3/01/19   1,000   1,344,271  
Enterprise Products Operating LLC,      
6.65%, 4/15/18   2,000   2,319,632  
Kinder Morgan Energy Partners LP,      
6.85%, 2/15/20   2,000   2,369,502  
ONEOK Partners LP, 8.63%,      
3/01/19   1,725   2,211,326  
    9,425,152  
Paper & Forest Products — 3.1%      
Georgia-Pacific LLC, 8.25%,      
5/01/16 (b)   1,635   1,773,975  
International Paper Co.:      
7.50%, 8/15/21   1,625   1,949,363  
8.70%, 6/15/38   900   1,184,775  
7.30%, 11/15/39   1,725   1,977,023  
    6,885,136  
Pharmaceuticals — 8.3%      
Abbott Laboratories:      
6.15%, 11/30/37   235   276,972  
6.00%, 4/01/39   2,777   3,225,497  
Bristol-Myers Squibb Co.:      
5.88%, 11/15/36   1,994   2,244,311  
6.13%, 5/01/38   588   686,627  
Eli Lilly & Co., 5.95%, 11/15/37   588   673,224  
GlaxoSmithKline Capital, Inc.,      
6.38%, 5/15/38   3,460   4,163,927  

 

  Par    
Corporate Bonds   (000)   Value  
Pharmaceuticals (concluded)      
Merck & Co., Inc., 6.50%,      
12/01/33   $ 990   $ 1,209,135  
Pfizer, Inc., 7.20%, 3/15/39   2,500   3,355,705  
Schering-Plough Corp., 6.55%,      
9/15/37   1,979   2,473,908  
    18,309,306  
Professional Services — 0.0%      
FTI Consulting, Inc., 7.75%,      
10/01/16   100   103,625  
Real Estate Investment Trusts      
(REITs) — 2.5%      
AvalonBay Communities, Inc.,      
6.10%, 3/15/20   1,725   1,951,684  
ERP Operating LP:      
5.38%, 8/01/16   1,625   1,764,313  
5.75%, 6/15/17   1,715   1,895,771  
    5,611,768  
Semiconductors & Semiconductor      
Equipment — 1.2%      
Advanced Micro Devices, Inc.,      
7.75%, 8/01/20 (b)(g)   400   404,000  
KLA-Tencor Corp., 6.90%, 5/01/18   918   1,027,362  
National Semiconductor Corp.,      
6.60%, 6/15/17   1,123   1,267,073  
    2,698,435  
Specialty Retail — 1.0%      
AutoNation, Inc., 6.75%, 4/15/18   940   947,050  
AutoZone, Inc., 7.13%, 8/01/18   650   772,596  
Ltd. Brands, Inc., 7.00%, 5/01/20   470   485,275  
    2,204,921  
Tobacco — 3.3%      
Altria Group, Inc.:      
9.70%, 11/10/18   1,725   2,260,022  
9.25%, 8/06/19   1,600   2,058,605  
10.20%, 2/06/39   2,150   3,036,617  
    7,355,244  
Wireless Telecommunication      
Services — 0.7%      
Cricket Communications, Inc.,      
7.75%, 5/15/16   325   336,375  
Nextel Communications, Inc.,      
Series E, 6.88%, 10/31/13   1,105   1,099,475  
    1,435,850  
Total Corporate Bonds – 85.5%     188,723,499  
Investment Companies   Shares    
ProShares UltraShort Real Estate   12,000   282,960  
Total Investment Companies – 0.1%     282,960  

 

BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010

3



Schedule of Investments (continued)

BlackRock Credit Allocation Income Trust III (BPP)
(Percentages shown are based on Net Assets)

Preferred Securities        
    Par    
Capital Trusts     (000)   Value  
Capital Markets — 3.7%        
State Street Capital Trust III,        
8.25% (c)(e)   $ 1,385   $ 1,405,706  
State Street Capital Trust IV,        
1.54%, 6/01/67 (e)     9,675   6,717,807  
      8,123,513  
Commercial Banks — 7.0%        
Barclays Bank Plc, 5.93% (b)(c)(e)     890   749,825  
CBA Capital Trust I, 5.81% (b)(c)     5,000   4,982,000  
FCB/NC Capital Trust I, 8.05%,        
3/01/28     1,100   1,062,207  
NBP Capital Trust III, 7.38% (c)     2,000   1,560,000  
National City Preferred Capital        
Trust I, 12.00% (c)(e)     600   666,780  
SunTrust Preferred Capital I,        
5.85% (c)(e)     303   203,010  
USB Capital XIII Trust, 6.63%,        
12/15/39     1,725   1,806,558  
Wells Fargo Capital XIII,        
Series GMTN, 7.70% (c)(e)     1,700   1,742,500  
Westpac Capital Trust IV,        
5.26% (b)(c)(e)     3,000   2,778,570  
      15,551,450  
Consumer Finance — 0.8%        
Capital One Capital V, 10.25%, 8/15/39   1,570   1,699,525  
Diversified Financial        
Services — 4.4%        
JPMorgan Chase Capital XXI,        
Series U, 1.42%, 1/15/87 (e)     7,125   5,258,663  
JPMorgan Chase Capital XXIII,        
1.44%, 5/15/77 (e)     6,190   4,429,180  
      9,687,843  
Electric Utilities — 0.3%        
PPL Capital Funding, 6.70%,        
3/30/67 (e)     900   803,250  
Insurance — 6.1%        
AXA SA, 6.38% (b)(c)(e)     900   715,500  
The Allstate Corp., 6.50%,        
5/15/67 (e)     900   823,500  
Chubb Corp., 6.38%, 3/29/67 (e)     900   877,500  
Liberty Mutual Group, Inc.,        
10.75%, 6/15/88 (b)(e)     900   985,500  
Lincoln National Corp., 7.00%,        
5/17/66 (e)     900   813,960  
MetLife, Inc., 6.40%, 12/15/66     900   834,750  
Nationwide Life Global Funding I,        
6.75%, 5/15/67     900   721,710  
Reinsurance Group of America,        
6.75%, 12/15/65 (e)     1,300   1,096,725  
The Travelers Cos., Inc., 6.25%,        
3/15/67 (e)     900   852,965  
White Mountains Re Group Ltd.,        
7.51% (b)(c)(e)     2,600   2,070,640  
ZFS FinanceT (USA) (b)(e):        
Trust IV, 5.88%, 5/09/32     190   169,077  
Trust V, 6.50%, 5/09/67     2,209   2,010,190  
Zenith National Insurance Capital        
Trust I, 8.55%, 8/01/28 (b)     1,800   1,548,000  
      13,520,017  

 

  Par    
Capital Trusts   (000)   Value  
Multi-Utilities — 0.4%      
Puget Sound Energy, Inc., Series A,      
6.97%, 6/01/67 (e)   $ 925   $ 861,453  
Oil, Gas & Consumable      
Fuels — 0.4%      
TransCanada PipeLines Ltd.,      
6.35%, 5/15/67 (e)   900   819,000  
Total Capital Trusts – 23.1%     51,066,051  
Preferred Stocks   Shares    
Capital Markets — 0.0%      
Lehman Brothers Holdings Inc.,      
Series D, 5.67% (c)(d)   31,100   933  
Commercial Banks — 2.0%      
Banesto Holdings, Ltd., Series A,      
10.50% (b)   30,000   765,939  
Union Planter Preferred Funding      
Corp., 7.75%   60   3,673,125  
    4,439,064  
Electric Utilities — 0.6%      
Alabama Power Co., 6.50%   50,000   1,295,000  
Insurance — 3.6%      
Aspen Insurance Holdings Ltd.,      
7.40% (e)   85,452   1,905,580  
Prudential Plc:      
6.50%   30,000   729,300  
6.50% (c)   6,000,000   5,205,000  
    7,839,880  
Media — 0.0%      
CMP Susquehanna Radio Holdings      
Corp. (a)(b)(e)   2,052    
Real Estate Investment Trusts      
(REITs) — 1.4%      
SunTrust Real Estate Investment      
Trust, 9.00%   30   3,027,189  
Specialty Retail — 0.1%      
Lazydays RV Center, Inc. (a)   182   216,716  
Total Preferred Stocks – 7.7%     16,818,782  
Total Preferred Securities – 30.8%     67,884,833  
  Par    
Taxable Municipal Bonds   (000)    
Metropolitan Transportation      
Authority, RB, Build America      
Bonds, 6.55%, 11/15/31   $ 1,675   1,724,731  
State of California, GO, Build      
America Bonds, 7.35%,      
11/01/39   825   865,714  

 

4 BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010



Schedule of Investments (continued)

BlackRock Credit Allocation Income Trust III (BPP)
(Percentages shown are based on Net Assets)

    Par    
Taxable Municipal Bonds     (000)   Value  
State of Illinois, GO, Pension,        
5.10%, 6/01/33   $ 1,675   $ 1,366,247  
Total Taxable Municipal Bonds – 1.8%     3,956,692  
U.S. Treasury Obligations        
U.S. Treasury Notes, 1.75%,        
7/31/15     22,000   22,161,480  
Total U.S. Treasury Obligations – 10.1%     22,161,480  
Warrants (h)     Shares    
Media — 0.0%        
CMP Susquehanna Radio Holdings      
Corp. (Expires 3/26/19) (b)     2,345    
Total Warrants – 0.0%        
Total Long-Term Investments        
(Cost – $291,124,876) – 128.3%       283,053,282  
Short-Term Securities        
BlackRock Liquidity Funds,        
TempFund, Institutional Class,        
0.23% (i)(j)     21,929,030   21,929,030  
Total Short-Term Securities        
(Cost – $21,929,030) – 9.9%       21,929,030  
Total Investments        
(Cost – $313,053,906*) – 138.2%     304,982,312  
Liabilities in Excess of Other Assets – (6.3)%   (13,894,614)  
Preferred Shares at Redemption Value – (31.9)%   (70,429,023)  
Net Assets Applicable to Common Shares – 100.0%   $ 220,658,675  

 

________________________________________________________________________________________________________________________________________________________________________________________________________________________
* The cost and unrealized appreciation (depreciation) of investments as of

July 31, 2010, as computed for federal income tax purposes, were as

Aggregate follows: cost   $ 315,314,298  
Gross unrealized appreciation   $ 11,672,319  
Gross Net unrealized unrealized depreciation depreciation   $ (22,004,305) (10,331,986)  

 

(a) Non-income producing security.
(b) Security exempt from registration under Rule 144A of the Securities Act
of 1933. These securities may be resold in transactions exempt from
registration to qualified institutional investors.
(c) Security is perpetual in nature and has no stated maturity date.
(d) Issuer filed for bankruptcy and/or is in default of interest payments.
(e) Variable rate security. Rate shown is as of report date.
(f) Convertible security.

(g) When-issued security. Unsettled when-issued transactions were as

follows:

    Unrealized  
Counterparty   Value   Appreciation  
JPMorgan Securities, Inc.   $ 404,000    $ 4,000  

 

(h) Warrants entitle the Fund to purchase a predetermined number of shares
of common stock and are non-income producing. The purchase price and
number of shares are subject to adjustment under certain conditions
until the expiration date.
(i) Investments in companies considered to be an affiliate of the Fund
during the period, for purposes of Section 2(a)(3) of the Investment
Company Act of 1940, as amended, are as follows:

    Shares Held           Shares Held  
    at October   Net           at July 31,  
  Affiliate   31, 2009   Activity   2010   Income  
  BlackRock          
  Liquidity Funds,          
  TempFund,          
  Institutional          
  Class   51,450,797   (29,521,767)   21,929,030              $44,895         
(j)   Represents the current yield as of report date.      
  For Fund compliance purposes, the Fund's industry classifications refer  
  to any one or more of the industry sub-classifications used by one or  
  more widely recognized market indexes or rating group indexes, and/or  
  as defined by Fund management. This definition may not apply for  
  purposes of this report, which may combine such industry sub-  
  classifications for reporting ease.        

 

• Financial futures contracts purchased as of July 31, 2010 were as follows:

    Expiration   Face   Unrealized  
Contracts   Issue   Date   Value   Appreciation  
12   30-Year U.S.   September      
  Treasury Bond   2010    $ 1,492,596   52,029  

 

BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010

5



Schedule of Investments (continued)

BlackRock Credit Allocation Income Trust III (BPP)

  Credit default swaps on single-name issues - buy protection outstanding as of July 31, 2010 were as follows:    
          Notional    
    Pay Fixed       Amount   Unrealized  
  Issuer   Rate   Counterparty   Expiration   (000)   Depreciation  
  Nordstrom, Inc.   5.20%   Deutsche Bank AG   June 2014   $ 1,000   $ (160,205)  

 

•Fair Value Measurements - Various inputs are used in determining the fair value of investments and
derivatives, which are as follows:

•Level 1 — price quotations in active markets/exchanges for identical assets and liabilities

•Level 2 — other observable inputs (including, but not limited to: quoted prices for similar assets or
liabilities in markets that are active, quoted prices for identical or similar assets or liabilities in
markets that are not active, inputs other than quoted prices that are observable for the assets or
liabilities (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit
risks and default rates) or other market-corroborated inputs)

•Level 3 — unobservable inputs based on the best information available in the circumstances, to the
extent observable inputs are not available (including the Fund's own assumptions used in determining
the fair value of investments and derivatives)

The inputs or methodologies used for valuing securities are not necessarily an indication of the risk
associated with investing in those securities. For information about the Fund's policy regarding valuation
of investments and other significant accounting policies, please refer to the Fund’s most recent financial
statements as contained in its semi-annual report.

The following tables summarize the inputs used as of July 31, 2010 in determining the fair valuation of
the Fund's investments and derivatives:

Valuation Inputs       Level 1     Level 2   Level 3   Total  
Assets:                  
Investments in Securities:              
Long-Term Investments:              
Common Stocks           —       $ 43,818   $ 43,818  
Corporate Bonds         $ 188,723,319   180   188,723,499  
Investment Companies   $ 282,960         282,960  
Preferred Securities     3,929,880     60,711,047   3,243,906   67,884,833  
Taxable Municipal Bonds         3,956,692     3,956,692  
U.S. Treasury Obligations         22,161,480     22,161,480  
Short-Term Securities     21,929,030         21,929,030  
Total       $ 26,141,870   $ 275,552,538   $3,287,904   $ 304,982,312  
        Derivative Financial Instruments 1    
Valuation Inputs   Level 1   Level 2     Level 3   Total  
Assets:                  
Equity contracts… $   52,029     $ 52,029  
Liabilities:                
Credit contracts…         (160,205)     (160,205)  
Total   $ 52,029                               (160,205)     $ (108,176)  

 

1 Derivative financial instruments are financial futures contracts and swaps, which are shown at the
unrealized appreciation/depreciation on the instrument.

6 BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010



Schedule of Investments (concluded)

BlackRock Credit Allocation Income Trust III (BPP)

The following table is a reconciliation of Level 3 investments for which significant unobservable inputs were used in
determining fair value:

  Common   Corporate   Preferred    
  Stocks   Bonds   Stocks   Total  
Balance, as of October 31, 2009     $ 12,000   $ 3,027,189   $ 3,039,189  
Accrued discounts/premiums     518       518  
Realized gain (loss)            
Change in unrealized appreciation/depreciation 1     1,171,920       1,171,920  
Purchases            
Sales     (1,184,258)       (1,184,258)  
Net transfers in 2   $ 43,818         43,818  
Net transfers out 2         216,717   216,717  
Balance, as of July 31, 2010   $ 43,818   180       $ 3,243,906   $ 3,287,904  

 

1 The change in unrealized appreciation/depreciation on securities still held at July 31, 2010 was $(518).
2 The Fund’s policy is to recognize transfers in and transfers out as of the end of the period of the event or the change in
circumstances that caused the transfer.

BLACKROCK CREDIT ALLOCATION INCOME TRUST III

JULY 31, 2010

7



Item 2 – Controls and Procedures

2(a) – 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”)) are effective as of a date within 90 days of the filing of this report based on the
evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act
and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) – There were no changes in the registrant's internal control over financial reporting (as defined
in Rule 30a-3(d) under the 1940 Act) 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

Certifications – Attached hereto

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.

BlackRock Credit Allocation Income Trust III

By: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer of
BlackRock Credit Allocation Income Trust III

Date: September 27, 2010

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: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer (principal executive officer) of
BlackRock Credit Allocation Income Trust III

Date: September 27, 2010

By: /s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock Credit Allocation Income Trust III

Date: September 27, 2010


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