Circulation: Leonardo, LMJ and LEA

2003-2007 SUBSCRIPTION FIGURES

as of end of MAY 2008

as of end of APRIL 2008

as of end of MARCH 2008

as of end of FEBRUARY 2008

as of end of JANUARY 2008

as of end of DECEMBER 2007

as of end of NOVEMBER 2007

as of end of OCTOBER 2007

as of end of SEPTEMBER 2007

as of end of AUGUST 2007

as of end of JULY 2007

as of end of JUNE 2007

as of end of APRIL 2007
as of end of MAR 2007

as of end of FEB 2007

as of end of JAN 2007

as of end of DEC 2006

as of end of NOV 2006

as of end of OCT 2006

as of end of SEPT 2006

as of end of JUNE 2006

as of end of MAY 2006

as of end of APRIL 2006

as of end of MAR 2006

as of end of FEB 2006

as of end of JAN 2006

as of end of DEC 2005

as of end of NOV 2005

as of end of OCT 2005

as of end of SEPT 2005

as of end of MAY 2005

as of end of APRIL 2005

as of end of MAR 2005

as of end of FEB 2005

as of end of JAN 2005

as of end of DEC 2004

as of end of NOV 2004

as of end of OCT 2004

as of end of SEPT 2004

as of end of AUG 2004

as of end of JULY 2004
as of end of JUNE 2004

as of end of MAY 2004

as of end of APRIL 2004

as of end of FEB 2004

as of end of JAN 2004

as of end of JUNE 2003

as of end of MAY 2003

as of end of APR 2003

as of end of MAR 2003

as of end of FEB 2003

as of end of JAN 2003

2000-2007 END-OF-YEAR SALES COMPARISONS

ANNUAL (END OF YEAR) CIRCULATION FIGURES as of 12/5/2007

(See Table Below for Subscription and Sales Comparisons from 1993-2001.)

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LEONARDO Print/Electronic Subscriptions (end of year)
LEON 2000				LEON 2001				LEON 2002				LEON 2003				LEON 2004				LEON 2005				LEON 2006				LEON 2007

.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total
CMP	N/A	N/A	N/A	CMP	N/A	N/A	N/A	CMP	49	53	102	CMP	46	51	97	CMP	42	53	95	CMP	41	51	92	CMP	40	53	93	CMP	39	48	87
IND	279	125	404	IND	201	102	304	IND	197	117	314	IND	202	117	329	IND	218	133	351	IND	205	135	340	IND	201	138	339	IND	194	146	340
INST	436	264	700	INST	340	221	561	INST	298	236	534	INST	277	220	497	INST	263	204	467	INST	241	199	440	INST	220	200	420	INST	206	189	395
RET	3	2	5	RET	5	2	7	RET	5	2	7	RET	6	3	9	RET	5	2	7	RET	6	2	8	RET	5	1	6	RET	5	2	7
STU	43	19	62	STU	43	18	61	STU	33	19	52	STU	44	27	71	STU	44	33	77	STU	67	46	113	STU	48	35	83	STU	50	38	88
Seed	N/A	N/A	N/A	Seed	N/A	N/A	N/A	Seed	N/A	N/A	N/A	Seed	1	0	1	Seed	0	0	0	Seed	N/A	N/A	N/A	Seed	N/A	N/A	N/A	Seed	N/A	N/A	N/A
Total	761	410	1171	Total	589	343	932	Total	582	427	1009	Total	576	428	1004	Total	572	425	997	Total	560	443	993	Total	514	427	941	Total	494	423	917
BKSTR SALES	N/A	N/A	N/A	BKSTR SALES	N/A	N/A	N/A	BKSTR SALES	44	28	217*	BKSTR SALES	-	-	-*	BKSTR SALES	-	-	-*	BKSTR SALES	-	-	-	BKSTR SALES	-	-	-	BKSTR SALES	-	-	-

Notes: CMP N/A = Not available - most likely there were about 100 comps.
Seed N/A = Not available - new category.
*Bookstore sales total includes distributor sales.

LEONARDO Electronic Only Subscriptions
LEON E 2000					LEON E 2001					LEON E 2002					LEON E 2003				LEON E 2004				LEON E 2005				LEON E 2006				LEON E 2007

.	US	FOR	Total	.		US	FOR	Total	.		US	FOR	Total	.		US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total
CMP	-	-	-		CMP	N/A	N/A	N/A		CMP	0	0	0		CMP	2	0	2	CMP	-			CMP	2	0	2	CMP	8	2	10	CMP	5	1	6
IND	-	-	-		IND	25	15	40		IND	83	53	136		IND	4	4	8	IND	4	6	10	IND	5	9	14	IND	4	3	7	IND	2	4	6
INST	-	-	-		INST	1	2	3		INST	2	12	14		INST	2	17	19	INST	0	12	12	INST	2	17	19	INST	4	19	23	INST	2	22	24
RET	-	-	-		RET	0	0	0		RET	0	0	0		RET	0	0	0	RET	0	0	0	RET	--	--	--	RET	--	--	--	RET	1	0	1
STU	-	-	-		STU	0	0	0		STU	1	1	2		STU	0	4	4	STU	1	6	7	STU	4	9	13	STU	16	31	7	STU	1	12	13
Total	0	0	0		Total	26	17	43		Total	86	66	152		Total	6	25	31	Total	5	24	29	Total	13	35	48	Total	32	55	47	Total	11	39	50

LMJ Only Print/Electronic Subscriptions
LMJ 2000				LMJ 2001				LMJ 2002				LMJ 2003				LMJ 2004				LMJ 2005				LMJ 2006				LMJ 2007

.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total
CMP	N/A	N/A	N/A	CMP	N/A	N/A	N/A	CMP	0	0	0	CMP	0	0	0	CMP	2	0	2	CMP	2	0	2	CMP	--	--	--	CMP	1	0	1
IND	69	32	101	IND	73	46	119	IND	77	32	109	IND	45	25	70	IND	45	30	75	IND	40	33	73	IND	38	29	67	IND	33	23	56
INST	27	17	44	INST	29	16	45	INST	27	17	44	INST	22	26	48	INST	28	27	55	INST	30	32	62	INST	27	31	58	INST	28	38	66
RET	1	0	1	RET	0	0	0	RET	0	0	0	RET	0	0	0	RET	0	0	0	RET	0	0	0	RET	--	--	--	RET	--	--	--
STU	0	0	0	STU	0	0	0	STU	1	0	1	STU	0	0	0	STU	0	0	0	STU	0	0	0	STU	1	0	1	STU	--	--	--
Total	97	49	146	Total	102	62	164	Total	105	49	154	Total	67	51	118	Total	75	57	132	Total	72	65	137	Total	66	60	126	Total	62	61	123
BKSTR SALES	N/A	N/A	N/A	BKSTR SALES	N/A	N/A	N/A	BKSTR SALES	4	5	109*	BKSTR SALES	N/A	N/A	N/A*	BKSTR SALES	N/A	N/A	N/A*	BKSTR SALES	N/A	N/A	N/A*	BKSTR SALES	N/A	N/A	N/A*	BKSTR SALES	N/A	N/A	N/A*

Notes: N/A = Not available - most likely there were about 100 comps.
*Bookstore sales total includes distributor sales.

LMJ Only Electronic Only Subscriptions
LMJ E 2000					LMJ E 2001					LMJ E 2002					LMJ E 2003					LMJ E 2004					LMJ E 2005					LMJ E 2006					LMJ E 2007

.	US	FOR	Total	.	US	FOR	Total		.	US	FOR	Total		.	US	FOR	Total		.	US	FOR	Total		.	US	FOR	Total		.	US	FOR	Total		.	US	FOR	Total
CMP	-	-	-		CMP	N/A	N/A	N/A		CMP	0	0	0		CMP	0	0	0		CMP	0	0	0		CMP	0	0	0		CMP	0	0	0		CMP	0	0	0
IND	-	-	-		IND	1	1	2		IND	1	2	3		IND	0	1	1		IND	0	0	0		IND	0	1	1		IND	0	1	1		IND	0	5	5
INST	-	-	-		INST	0	0	0		INST	0	0	0		INST	0	0	0		INST	0	0	0		INST	0	1	1		INST	0	2	2		INST	0	3	3
RET	-	-	-		RET	0	0	0		RET	0	0	0		RET	0	0	0		RET	0	0	0		RET	0	0	0		RET	0	0	0		RET	0	0	0
STU	-	-	-		STU	0	0	0		STU	0	0	0		STU	0	0	0		STU	0	0	0		STU	0	0	0		STU	0	0	0		STU	0	0	0
Total	0	0	0		Total	1	1	2		Total	1	2	3		Total	0	1	1		Total	0	0	0		Total	0	2	2		Total	0	3	3		Total	0	8	8

LEA Subscriptions
FREE LEA 2002				PAID LEA 2002				ALL (PAID&FREE) LEA 2002				ALL (PAID&FREE) LEA 2003				ALL (PAID&FREE) LEA 2004				ALL (PAID&FREE) LEA 2005

.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total	.	US	FOR	Total
CMP	48	54	102	CMP	-	-	-	CMP	48	54	102	CMP	44	53	97	CMP	?	?	92 (all free)	CMP	43	52	95
IND	155	78	233	IND	32	22	54	IND	269	164	433	IND	220	139	359	IND	?	?	271 (40 paid)	IND	197	151	348
INST	282	224	506	INST	12	10	22	INST	314	261	575	INST	290	251	541	INST	?	?	448 (27 paid)	INST	242	204	446
RET	4	2	6	RET	0	0	0	RET	5	2	7	RET	5	3	8	RET	5	2	7 (0 paid)	RET	5	2	7
STU	21	12	33	STU	2	0	0	STU	35	18	53	STU	41	26	67	STU	?	?	20 (10 paid)	STU	17	29	46
Total	510	370	880	Total	46	32	78	Total	671	499	1170	Total	600	472	1072	Total	?	?	848 (77 paid)	Total	504	438	942

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LEONARDO SUBSCRIPTION AND SALES HISTORY (at Issue #5 [October] each year; subs continue to increase after issue 5 till end of each year. (MIT does an end-of-fiscal year report in October each year. Reports are available from 1993-2001; the reports we have on file are inconsistent in how and what they report and are somewhat contradictory. Numbers provided here are for comparison purposes; they don't represent absolute sales.)
.	26:5 (1993)	27:5 (1994)	28:5 (1995)	29:5 (1996)	30:5 (1997)	31:5 (1998)	32:5 (1999)	33:5 (2000)	34:5 (2001)	35:5 (2002)	36:5 (2003)	37:5 (2004)
CMP	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	97	95
IND	688	680*	680*	520	533	514	466	367	290	314	325	350
INST	565	527*	527*	563	567	586	564	562	557	532	496	464
STU/RET	46	97*	97*	84	92	74	63	51	61	58	80	83
ELECTR. ONLY SUBS	-	-	-	-	-	-	-	-	43	152	62	29
TRADE SALES	*	*	*	*	*	*	*	*	*	*	*	*
NOTE: N/A = Info not available - most likely there were about 100 comps. Trade sales have varied widely over the years and their accounting has been problematic. There appears to be accounting errors in available reports.
LMJ SALES HISTORY
SALES	(OCT 1993)	(OCT 1994)	(OCT 1995)	(OCT 1996)	(OCT 1997)	(OCT 1998)	(OCT 1999)	(2000)	(2001)	(as OF DEC 2002)	(as OF DEC 2003)	(as OF DEC 2004)
LMJ ONLY SUBS	99	108	N/A	N/A	N/A	N/A	136	146	164	154	118	132
LMJ ELECTR. ONLY SUBS	-	-	-	-	-	-	-	-	2	3	1	0
LMJ INDIV. CD SALES (EMF REPORTS)	-	-	-	-	-	CD No.8 212 sold to date 5/04	CD No.9 253 sold to date 5/04	CD No.10 96 sold to date 5/04	CD No.11 711 sold to date 5/04	CD No.12 --	CD No.13 9 sold to date 5/04	CD No.14 N/A	-
NOTE: EMF numbers are total sales of each CD from release to 5/31/04. NOTE: LMJ12 (2002) CD was not released individually.
LEA SALES HISTORY
LEA SUBS FREE & PAID	121 (6 paid)	237	120	N/A	105	92	N/A	154 paid	--	1170	1072
NOTE: LEA reporting has been inconsistent. LEA subs included free access to LEO & LMJ electronic subscriptions in 2002.