================================================================================

                         CENTRAL SECURITIES CORPORATION

                                   ----------

                         INTERIM REPORT TO STOCKHOLDERS

                              AS OF MARCH 31, 2006

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To the Stockholders of

      CENTRAL SECURITIES CORPORATION:

      Financial  data for the quarter  ended March 31, 2006 and other  pertinent
information  prepared by management  without audit by  independent  auditors are
submitted herewith.

       Comparative net assets are as follows:



                                                Mar. 31, 2006    Dec. 31, 2005    Mar. 31, 2005
                                                -------------    -------------    -------------
                                                                          
Net assets .................................     $596,362,807     $573,979,905     $551,011,773
Net assets per share of Common Stock .......     $      29.43     $      27.65     $      27.53
      Shares of Common Stock outstanding ...       20,263,959       20,762,159       20,015,909


      Comparative operating results are as follows:



                                                                        Three months ended March 31,
                                                                        ----------------------------
                                                                            2006            2005
                                                                            ----            ----
                                                                                 
Net investment income ...............................................   $ 4,863,123    $  3,581,348
   Per share of Common Stock ........................................           .24*            .18*
Net realized gain on sale of investments ............................    17,638,863      27,764,663
Increase (decrease) in net unrealized appreciation of investments ...    12,162,691      (9,632,338)
Increase in net assets resulting from operations ....................    34,664,677      21,713,673


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*     Per-share   data  are  based  on  the  average  number  of  Common  shares
      outstanding during the three-month period.

                                   ----------

      The annual meeting of stockholders of the Corporation was held on March 8,
2006 with 89% of Common  shares being  represented.  At the meeting the Board of
Directors  was  reelected  and the  selection  of KPMG  LLP as  auditors  of the
Corporation  for the  year  2006  was  ratified.  Detailed  information  will be
published in the June 30, 2006 Semi-Annual Report.

      In the quarter ended March 31, 2006 the  Corporation  repurchased  498,200
shares  of its  Common  Stock at an  average  price  per  share of  $24.65.  The
Corporation  may from time to time purchase  Common Stock in such amounts and at
such prices as the Board of Directors may deem  advisable in the best  interests
of  stockholders.  Purchases  may be made on the American  Stock  Exchange or in
private transactions directly with stockholders.

      Stockholders' inquiries are welcome.

                                                  CENTRAL SECURITIES CORPORATION

                                                     WILMOT H. KIDD, President


                                      [2]


                          PRINCIPAL PORTFOLIO CHANGES
                           January 1 to March 31, 2006
                    (Common Stock unless specified otherwise)



                                                                        Number of Shares
                                                             --------------------------------------
                                                                                            Held
                                                                                          March 31,
                                                             Purchased        Sold          2006
                                                             ---------        ----        ---------
                                                                                 
Accenture Ltd. ..........................................                    400,000             --
Arbinet-thexchange, Inc. ................................                    140,100        359,900
The Bank of New York Company, Inc. ......................     375,000                       875,000
Brady Corporation Class A ...............................                     10,000        920,000
Cirrus Logic, Inc. ......................................     100,000                       100,000
Flextronics International Ltd. ..........................                  1,000,000             --
McMoRan Exploration Co. .................................     180,000                       500,000
PolyOne Corporation .....................................                    180,000        970,000
TransMontaigne Inc. .....................................                    700,000      1,225,000
Transport Corporation of America, Inc. Class B ..........                    531,557             --
Tronox Inc. Class B .....................................      40,328(a)                     40,328
Virage Logic Corporation ................................                     96,400             --


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(a) Received in a distribution from Kerr-McGee Corporation.

                             TEN LARGEST INVESTMENTS



                                                           March 31, 2006
                                                   ---------------------------------
                                                                             % of        Year First
                                                   Cost         Value     Net Assets      Acquired
                                                   ----         -----     ----------      --------
                                                       (millions)
                                                                                
 The Plymouth Rock Company, Inc. ...........      $ 2.2        $108.5        18.2%          1982
 Brady Corporation Class A .................        3.5          34.5         5.8           1984
 The Bank of New York Company, Inc. ........       15.5          31.5         5.3           1993
 Murphy Oil Corporation ....................        3.7          29.9         5.0           1974
 Convergys Corporation .....................       24.1          28.2         4.7           1998
 Agilent Technologies, Inc. ................       18.1          28.2         4.7           2005
 Capital One Financial Corporation .........        1.4          24.2         4.1           1994
 Roper Industries, Inc. ....................        9.0          19.9         3.3           2003
 Dover Corporation .........................       13.0          19.4         3.3           2003
 Kerr-McGee Corporation ....................       11.7          19.1         3.2           2001



                                      [3]


                               BOARD OF DIRECTORS

                         C. Carter Walker, Jr., Chairman
                                Simms C. Browning
                                Donald G. Calder
                                  Jay R. Inglis
                                Dudley D. Johnson
                                 Wilmot H. Kidd

                                    OFFICERS

                            Wilmot H. Kidd, President
                Charles N. Edgerton, Vice President and Treasurer
                         Marlene A. Krumholz, Secretary

                                     OFFICE

                                630 Fifth Avenue
                               New York, NY 10111
                                  212-698-2020
                            866-593-2507 (toll-free)
                            www.centralsecurities.com

                          TRANSFER AGENT AND REGISTRAR

                        Computershare Trust Company, N.A.
                   P. O. Box 43069, Providence, RI 02940-3069
                                  800-756-8200
                              www.computershare.com

                                    CUSTODIAN

                                 UMB Bank, N.A.
                                 Kansas City, MO

                  INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

                                    KPMG LLP
                                  New York, NY


                                      [4]