-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, I/jYpSA2nIoszb2ETqQ5VJQkdAyeGWWg8oNCMgow1Os50hRoTpEBwDRf98g7MCPz pD4m/QMlClzlQ7O8SQNWOw== 0000898432-09-001284.txt : 20091026 0000898432-09-001284.hdr.sgml : 20091026 20091026122211 ACCESSION NUMBER: 0000898432-09-001284 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20091026 DATE AS OF CHANGE: 20091026 EFFECTIVENESS DATE: 20091026 FILER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA ACORN TRUST CENTRAL INDEX KEY: 0000002110 IRS NUMBER: 362692100 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-34223 FILM NUMBER: 091136213 BUSINESS ADDRESS: STREET 1: 227 W MONROE STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3126349200 MAIL ADDRESS: STREET 1: 227 W MONROE STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: LIBERTY ACORN TRUST DATE OF NAME CHANGE: 20010424 FORMER COMPANY: FORMER CONFORMED NAME: ACORN INVESTMENT TRUST DATE OF NAME CHANGE: 19940204 FORMER COMPANY: FORMER CONFORMED NAME: ACORN FUND INC DATE OF NAME CHANGE: 19920703 0000002110 S000009184 Columbia Acorn Fund C000024954 Columbia Acorn Fund Class A LACAX C000024955 Columbia Acorn Fund Class B LACBX C000024956 Columbia Acorn Fund Class C LIACX C000024957 Columbia Acorn Fund Class Z ACRNX 0000002110 S000009185 Columbia Acorn International C000024958 Columbia Acorn International Class A LAIAX C000024959 Columbia Acorn International Class B LIABX C000024960 Columbia Acorn International Class C LAICX C000024961 Columbia Acorn International Class Z ACINX 0000002110 S000009186 Columbia Acorn USA C000024962 Columbia Acorn USA Class A LAUAX C000024963 Columbia Acorn USA Class B LAUBX C000024964 Columbia Acorn USA Class C LAUCX C000024965 Columbia Acorn USA Class Z AUSAX 0000002110 S000009187 Columbia Acorn Select C000024966 Columbia Acorn Select Class A LTFAX C000024967 Columbia Acorn Select Class B LTFBX C000024968 Columbia Acorn Select Class C LTFCX C000024969 Columbia Acorn Select Class Z ACTWX 0000002110 S000009188 Columbia Acorn International Select C000024970 Columbia Acorn International Select Class A LAFAX C000024971 Columbia Acorn International Select Class B LFFBX C000024972 Columbia Acorn International Select Class C LFFCX C000024973 Columbia Acorn International Select Class Z ACFFX 0000002110 S000009189 Columbia Thermostat Fund C000024974 Columbia Thermostat Fund Class A CTFAX C000024975 Columbia Thermostat Fund Class B CTFBX C000024976 Columbia Thermostat Fund Class C CTFDX C000024977 Columbia Thermostat Fund Class Z COTZX 497 1 a497.htm

COLUMBIA ACORN TRUST

ColumbiaSM Acorn® Fund
ColumbiaSM Acorn International®
ColumbiaSM Acorn USA®
ColumbiaSM Acorn International SelectSM
ColumbiaSM Acorn SelectSM
ColumbiaSM Thermostat FundSM

(Each a “Fund” and together the “Funds”)

Supplement dated October 26, 2009 to the Prospectuses
and Statement of Additional Information dated May 1, 2009

Banc of America Investment Services, Inc. (“BAI”) has merged with and into Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPF&S”). As such, references to BAI in each Fund’s Prospectuses and in the Statement of Additional Information are hereby deleted and, to the extent that the context requires, are replaced with references to MLPF&S.

Shareholders should retain this Supplement for future reference.

 

 

INT-47/26101-1009

 GRAPHIC 3 klgates-logo.gif GRAPHIC begin 644 klgates-logo.gif M1TE&.#=AB`))`'<``"'^&E-O9G1W87)E.B!-:6-R;W-O9G0@3V9F:6-E`"P` M````B`))`(7EY;6UM#0T-,3$Q* M2DI+2TM45%1$1$1"0D)24E)04%!&1D9!04%-34U.3DY`0$!'1T=?7U](2$A3 M4U-5555)24E/3T]965E=75U86%A145%75U=<7%Q65E9K:VMI:6EN;FYF9F9Z M>GISWMU=75B8F)J:FI\?'QH:&AP<'!A86%C M8V-Y>7E]?7UE965O;V]M;6UX>'AQ<7%W=W=^?GYG9V=_?W]D9&26EI:3DY.& MAH:#@X.1D9&2DI*;FYN.CHZ,C(R/CX^-C8V!@8&)B8F?GY^8 MF)B=G9V:FIJ4E)2>GIZ'AX>0D)"$A(2+BXN`@(""@H*9F9F(B(B*BHJ5E96A MH:&OKZ^JJJJ^OKZFIJ:SL[.[N[NBHJ*GIZ>_O[^]O;VIJ:FNKJZZNKJTM+2X MN+B\O+RHJ*BEI:6YN;FUM;6PL+"KJZN@H*"QL;&LK*RDI*2WM[>MK:VVMK:C MHZ.RLK+6UM;9V=G0T-#"PL+?W]_$Q,3&QL;/S\_>WM[:VMK8V-C.SL[1T='# MP\/5U=77U]?=W=W!P<')R7M[>W@X.#AX>'JZNKGY^?FYN;Q M\?'IZ>GKZ^OBXN+O[^____\!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,! M`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,! M`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,! M`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,!`@,! M`@,!`@,!`@,!`@,(_P!-"1Q(L*#!@P@3*ES(L*'#AQ`C2IQ(L:+%BQ@S:MS( ML:/'CR!#BAQ)LJ3)DRA3JES)LJ7+ES!CRIQ)LZ;-FSASZD19K)C`GC^!_D38 MT^?.HTB3*EW*M*E3FT![GC+5$Y50H02+I5*%->C3KV##BAU+MFS*8H;,%%ME MA%6Q5D>0G'&EU+I3%13,F14\74+(EU M0E:Q62<2X2T&"\4:6BD4%>W)IHW/T:.SGE[=%;'KU[!CRQ9;+)&*12MJ]73# MY$P36ZYFL6"T^=:)6,5:-"KF*,TC7$Y60"J&ZDVDGI+8(!^82Y>I5;1,I?^2 M-&D7WMGHTZM?SYYDL44N7E`Z#<>`$5U/4*4:OKD2#*Z6X,*+"I?$<,@2+4!R MRA)Q0(')(D_($04LI[6123&:2+&6"FM,0CRPGM,F*%$,6?4\I,9;Q33 M"1-O55&,%9.`>.)AD-CAUY9@AHG>>S;@!D%6J MZ::#U:;")RFLPDL.IZ2B0PUXN!+G)E=!<@(PQ4#_D4G,:6643%NS)#I0JA1FM"():'&[+;K%7/)#<4< M\80P"-R510"2/&%+#\0IV@L"CQ03PQQP:%%,$H?L86\L/103RA9\G/G"=53U M(0J&6Q0C"Q+3_0BD"J! MR.'XXHX+,H@MJE4"2!5@(&$%)X-W;7I8N+1"U2JP\A*)++A@0DR1CCR2"XJN M2$**+KKY8H@OPYSR2"6NI$()*%0I(@E7`ZU2227`6#)*+*U,=;I$Q71AP`FZ MH5B,'0DH\,*R/\V!@`$'Y+```U[H\G$F#3A0B<88WQV4)50@\``$#40@P004 MJ$`0ZD"A:_TB`6%X1<1888$+0``"#ZA`!2;P0`I@8#EYRT`#-/!`""A``1"X MP`:V0Q5@&($#%)B`!3H@0C$0XWHP',M50+:QKF@K9#3T'L5B")%P-0`%W:/* M*?_8S*0F?Z*%!0#Q-*KH@@9$ MX`:J9,4/#;C!*XJ2!PNXP"H7FX0(#I!%HMCM/#U10P4Z,`715`L7@W"!`*:P MRHM5X@,6$&`015:,6XP@`@=+#2!34`$UE(PJB)!`!/B`&E'XP3N;#*P#I2+=*$Y!*4ZL;4TT-A_HLUJPF MK*M8]S:00+!:!B5E0I1*9 MF%U/?N&DYIG'%88H8/+8$(JS_SJD-;40C2UV40ODZ>(7S51=6K50`1.T@0,; ML()LB5(,(TA@`0T0@N&LQ5>=7HRGQ3C%%!JP`Z'6,*-4F8,'L-B3.#0``1Z] MV&/=*54SE"H5\(6O]7ZRBC*@4`1!B,-T.OO9_G($G6X``C!Z$)%<:E/ZT8,NZA@00.H M=)!3]((54(YR,$Q+7QIT(`NG(08,&*`$QTZ4O2F(0`YD\((RE[D'"?NH(8PP M!`U

Z$%M0RV!*NP"#*[_&,,DO'`"0X"! M>:^N0`I^,0H7:,`&CL`G(D`P@2!,5P\;F``2*/2**UBAM8C.:;&GE5TO+$`' MQ^F354H`3+.<@L MIO^*5""AUK8X#148,`3WT<$+8QB#_Q-,(`$1:,;L3P5S!?!`68G%'9D_PKO\ M*U(,O=N"#0C`!2=L4(L:#+X)A7=XBN()'W`#<:4:I(``J1(%Y@$*25`+<.`) M0G`(1+`)GC`%D*`"G%`'C?43#L@'2.`%[Z0#68`%.V`:UU-2Y_1P-T=8S>0" M$A!'06$>Q!`%#'``;(`VR^=7FR$,/,!=RZ1#Q3`,(+``5G`:E!`"%E`(NI(# M#6`!4,@!#N`!N;$9WQ99U(2""8$+NT`*2)05K<`#'G!^\U>&/61_*U'A5-U+960`!)P(9MA"21@`?%GAMK($,6P"RR@"F[2C2

/D4!K``!%GR$W5`!,5`##,@"T3@"\50"MU5#(V`;GJ` M")Y@!!56"G0P?"A2"C%@"C)@`^@T`6L0"00P2V\T`*R\`I3<`5@ M,%F;\`-XH`-D`N9H`.)4';%``I"4`QLP`*FH`HV0`JC`EPIJ`4_M$P8D@`, MD`,E)HDD@`$]D`;!H`N(H`0;8`!!@`8E`%3WI'PB,`)80`>%\)I[4`I9P5/> M0P?APP%($`B2`"$!`&05D,F=`!#;`_'50`7X>.=5P!WO0.&<@"(/*7]%ZKNC:$N)*$9V6`=[5K6_J$NN:KO1:K[01!T/PKO:ZKTOQ M51[C/=R(/5\UK4)H5M_UK1U#IP8[KZ9##+<0J_P:L4F179VP"K+P":9P"Y"0 M$,!P-@)Q"O;)7!)!"YHZ&XSVZ\*G%@`AWH`E4T0MGD`?%B@MS(`#&Y,@AOL@1'"`7F&3%1<"988`6O M``.Y0`Q%H`I?8)XM(`F!,`;%<`6+"`:#MP6'_ZL*FY`$BT@%`+0/"IRM&T^+O%T2JB56`$7N`&22`+ M@\`+I%`%I_`"CS`*)!]),S43`"IK0!:J0!&UP!:3_ MK`AO(LZ*$`7%8`9955%T(&2LX`*UX`5S4`Q+@`;XE`LLL)*M,`2Q@`HV MP`I]60Q>,`EWX&=NH`6G\`.@4`QDP$VCT09,?#!J(`:W,`2FL`LH$`LK<`BN MT#*^G-%T?7<^`0-@@`H-8$E"L`N1``7%X`3Z%P2.$`/%0`AR``E3H`HUX`N= MT`6?\`)6\`=,Q0LRD#=`T&ENP,E7<@:GD`G`@"*%`-ASL%9E@&55H%<&`0QC M0(VP<`.0<`LI,`M'@(>SG`AZ3`:6Q`47(@/46!1]D#!2\'5?P`?`0`/$X`DO M<`H[D`BK,`3!6]?2C:[%\`3L%P2L\@=*8`2^UP99_U`&JHH$Q8`&>E`*3Z`* M7!`,C2`&DC`&:[`%02`+K7`#>,`*=CL%CK`+5N(&@0#0;OL]/-`$*T`!1I*`#4!`%(/83=V!- MNQ`$2M`"^GBW0H")<"`$7\`$\S7=,OZLD[R8"N0*H.`+N0`+IW`(YI$*_&D+ M-((*KH`*I_`*N/`$DM`3,C`=K``)U0<)(9D*J&`*M@`+KN!'>`$+OZ`(:;G( M7D@ILN`+O+`+4_/-6IS?0(IC3C M?HZ>>UJN`VM6:;`$:1`'9?]@BS=T5L`Q5'I*78,^,9(^Z6)EIY'^YYC.Q4/X M"9*`89Z;Z:`>ZE#!L*)>ZJ9^ZJB>ZJJ^ZJS>ZJ[^ZK`>Z[(^Z[1>Z[9^Z[B> MZ[J^Z[R^$=B:IP6+IW:J0\0^[`3;Z\BNC<7@"K!2%,"0*7!B&4:!S+/P"I8V M?;-P"M?Z>][#GZ#+80A$XQ9(65[.JN$\R1!%Y0!<1P"EC0!"&< M)V$0!51`YWNP`_<.!;%`!GVC`VFP"D\`!5H0V@*!"ET0X6X1"DA`!LL8"U_0 M!5I`(9?`!:T]US%Q"+(I$&-4,1J_[B+_,,<^!8``##40!Y3``\"P!&60"BN@ M'2?_()RKX`O"\`=2D`K!L'9$``IMT`2JX`7<1!5\\`/`H`578`HJX`>WX`*Q MX`9(@`HW<`FP``.=\`FK%O)E94I92S&'C;7%0`7F2$-^$)(#BS>2#EXCO_8W M=0J=P`9SH'4_X0HOT,MXL`3?5QLZ``PFL&-(@((],0MC$%<]00H:@@2!QP1^ M1A5>P'ZAL`-\+V/CT85 MJ1`%DV(',@`'/M`)IY$$UL0)+)`+0P!<,6`'4W#4?5`&MU`$LU`+*!##`&%* MX$""!0T>1)A08#%'770)Z96%U)->34C-T=,&D1\WEHZ8*N;F#+`JPK`,(M;$ MS`TVF:A@H?-H!A-9G;J4$;7JB)DFJ!;&.3+&T*@J1M"L0@%(Q14F75PIA!I5 MZE2J5:U>Q9I5ZU:N7;U^!1M6[%BR"HM9"57L8+%6,X9)T5)L%(]4Q8H]2M%+ MK:E38"BI+0:IAEU2-*X,^0ORS@M?1W`HPJ$WAIX=<(JU4>((P2E;,!#M+2NU M&#`PFT1L2A*KR24>=\HT6J/F"_\1.H3LWD%#14\Q)FS\6"E&A?7OUZ]NW=OX?_ MOI@44J`'VLWRI5B?(\5"#:FK&##4V*N86V10!3`U`"G&%2(LBX.+O6J!JPH@ M;DF!E6)BR",).XHQXXAA.*28382P:[1<7#%$"&).L*08&3PAPX]BQ-B"E2)DD06& M4NR+3T\2C,#!C&(X`:&+'G0P!94T2$5)O+P!4U4Y40W77779;?= M=#_5!-5B?OGA,U3''E%CI,64.%2%UA(8UB4@DBD&+P0,(4 M/7)A8U]"CG!EA4EJ<2$7+.)2(9!:;+!$D1R(.5>^2#K(9($WBB'&`SE,>$(M M(+@X(H=4X.A%C3WF8%*,.N[888L\7HFBE$B^@%(Y)!SIY8A1_Z@H)@DX-#$$ MEA>""82)*[A;89<74KDBD%^"2--=M==FNVVWWS:+D,\*FB^!*G:P`Y`EB M"2%6*>8/,,*((V7Y6-GA%B&P/"4)2:[X\+(]\L@BE(**&%K1@@Q*TE`"BSV$00(0)UKY@D!`ROBBDU$Z1Z.5)%(A)(U@ID@; M;O779[]]]]&SY96#4-'%EU^`*>:54E`V1998[*_%*6IABE2HXBD"P04L%B(, M2)#.%;5X13%6`8D\@805R@$),`X!"\_`#&,8JHN/`F>QD%FXXA6G$,@K4G$* M^=4B%;.813%F$;]8[("#PG@!+FXAC%[,`A:@R%,NA@$263PB0;90H"EX09UB M]((7:K&%*6!QPBB^SXI7Q&(6M7B?E$7*+B#Y(AB]"!C[A-&+"R%C@2*%1C6& MT4UG%&,;TYA&5P#""FPHPR#&N,P" MA(F$9"0E.4E*5E)%@K1D)C6Y24YVTI.?!&4H13E*4I;2E*=$92I5N4I6MM*5 'K^QD0```.S\_ ` end -----END PRIVACY-ENHANCED MESSAGE-----