% of sales derived from defense and space operations 0.93 0.91 0.46 BETAS Value Line 0.60 0.70 1.05 Calculated against the S&P 500 5 years 0.36 0.34 0.80 21 months 0.38 0.31 1.03 60 days 0.34 0.27 1.45 Calculated against the NYSE Composite 5 years 0.49 0.43 1.00 21 months 0.44 0.36 1.17 60 days 0.37 0.30 1.62 Tax rate 35.00% 35.00% 35.00% Market value Debt/Equity ratios 0.41 0.64 0.535 Market Risk Premium 6.00% 6.00% 6.00% Risk Free Rate 4.56% 4.56% 4.56%

	Boeing	Lockheed Martin	Northrop Grumman
% of sales derived from defense and space operations	46%	93%	91%
BETAS
Value Line	1.05	0.60	0.70
Calculated against the S&P 500 (End date, June 2013)
5 years	0.80	0.36	0.34
21 months	1.05	0.38	0.31
60 days	1.45	0.34	0.27
Calculated against the NYSE Composite (end date June 2013)
5 years	1.00	0.49	0.44
21 months	1.17	0.44	0.36
60 days	1.62	0.37	0.30
Tax rate	0.35	0.35	0.35
Market value Debt/Equity ratios	0.535	0.41	0.64
Market Risk Premium	6%	6%	6%
Risk Free Rate	4.56%

Boeing Outstanding Debt

Prices as of June 2003

Debt Rating: A-

Debt Amount (millions)	Coupon	Maturity	Price	Yield to Maturity
$202	7.625%	2/15/2005	106.175	3.911%
$298	6.625%	6/1/2005	105.593	3.393%
$249	6.875%	11/1/2006	110.614	3.475%
$175	8.1%	11/15/2006	112.65	4.049%
$349	9.75%	4/1/2012	129.424	5.47%
$597	6.125%	2/15/2013	103.59	4.657%
$398	8.75%	8/15/2021	127.0	6.239%
$300	7.95%	8/15/2024	126.951	5.732%
$247	7.25%	6/15/2025	114.506	6.047%
$249	8.75%	9/15/2031	131.0	6.337%
$173	8.625%	11/15/2031	138.974	5.805%
$393	6.125%	2/15/2033	103.826	5.85%
$300	6.625%	2/15/2038	106.715	6.153%
$100	7.5%	8/15/2042	119.486	6.173%
$173	7.825%	4/15/2043	132.52	5.777%
$125	6.875%	10/15/2043	110.084	6.191%

% of sales derived from defense and space operations 0.93 0.91 0.46 BETAS Value Line 0.60 0.70 1.05 Calculated against the S&P 500 5 years 0.36 0.34 0.80 21 months 0.38 0.31 1.03 60 days 0.34 0.27 1.45 Calculated against the NYSE Composite 5 years 0.49 0.43 1.00 21 months 0.44 0.36 1.17 60 days 0.37 0.30 1.62 Tax rate 35.00% 35.00% 35.00% Market value Debt/Equity ratios 0.41 0.64 0.535 Market Risk Premium 6.00% 6.00% 6.00% Risk Free Rate 4.56% 4.56% 4.56%