1. © Mahindra Satyam 2009 Process Performance Baseline Summary – 2009 H2

2. 2 © Mahindra Satyam 2009 Projects identified:  Development (development –closed projects, and major enhancements)  Maintenance (minor enhancement) projects  Maintenance and Production Support  Production Support Criteria applied to arrive at eligible projects (Development)  Projects closed between July 1st 2009 to December 31st 2009  Projects that have NOT been closed due to OD migration  Delegation Status <> “Full Delegation”  Actual Peak Team size > 3  Delivery Ownership = “Satyam Managed”  Execution Model = “Offshore” or “Onsite – Offshore”  Pricing Model <> INTERNAL  Criteria applied to arrive at eligible projects (Maintenance and Production Support)  Actual Team size > 3  Delivery Ownership = “Satyam Managed”  Execution Model = “Offshore” or “Onsite – Offshore”  Pricing Model <> INTERNAL Software Services Delivery Performance - Approach for Metric Data collection 2

3. 3 © Mahindra Satyam 2009 Application Development and Major Enhancements S. NoMetricUnit of MeasureGoalUSLLSLMean Previous Mean TrendSDCount 1 Effort VariancePercentage1.004.16-4.311.571.247.40 38 2 Schedule VariancePercentage0.086.43-6.270.082.336.62 38 3 Review EfficiencyPercentage78.5496.1978.5452.9861.8231.11 38 4 CDREPercentage95.65 62.3387.9798.2520.13 38 5 Defect RateDefects/Person Day0.471.100.080.440.6938 6 DDRDefects/Person Day0.010.250.010.070.320.18 38 7 Code Review Defect Rate Defects/Person Day0.490.690.030.230.370.48 38 8 Code Review RateDefects/Person Day23.4531.280.029.8816.0722.30 38 9 Test defect RateDefects/Person Day0.380.410.010.150.190.27 38 10 Test RateDefects/Person Day0.691.530.050.600.860.97 38 11 Testing EfficiencyPercentage87.18 51.9578.5926.6438 12 Defect Injection – Coding Defects/Person Day0.321.010.020.770.133.2338 * 1 Person Day = 8 Hours

4. 4 © Mahindra Satyam 2009 Maintenance (Minor Enhancements) S. NoMetricUnit o MeasureGoalUSLLSLMean Previous Mean TrendSDCount 1Effort VariancePercentage0.814.23-5.95-0.861.29 5.303222 2 Pre-release Defect Rate Defects/Person day 0.211.180.01 0.210.020.323 157 3 Delivered Defect Rate Defects/Person day 0.010.05 0.010.0120.00 0.041 156 4 Cumulative Defect Removal Efficiency Percentage96.24 87.5096.2498.56 11.54 151 5 Review Efficiency Percentage99.16 80.0072.5797.6027.696 131 6 Cost of Poor Quality (COPQ) Percentage1.482.600.581.231.08 1.674 105

5. 5 © Mahindra Satyam 2009 Production Support S. NoMetric Unit of Measure CategoryGoalUSLLSLMean Previous Mean TrendSDCount 1Adherence to Turnaround Time PercentageHigh 98.80 91.8698.8098.257.23256 Medium 96.3597.9090.0397.9098.258.20413 Low 97.69 96.9097.6998.2510.97323 2First Time Right PercentageHigh 99.50 93.2699.506.49256 Medium 97.16 81.9997.1615.79413 Low 99.80 97.9699.801.91323

6. 6 © Mahindra Satyam 2009 mahindrasatyam.net Safe Harbor This document contains forward-looking statements within the meaning of section 27A of Securities Act of 1933, as amended, and section 21E of the Securities Exchange Act of 1934, as amended. The forward-looking statements contained herein are subject to certain risks and uncertainties that could cause actual results to differ materially from those reflected in the forward-looking statements. Satyam undertakes no duty to update any forward-looking statements. For a discussion of the risks associated with our business, please see the discussions under the heading “Risk Factors” in our report on Form 6-K concerning the quarter ended September 30, 2008, furnished to the Securities and Exchange Commission on 07 November, 2008, and the other reports filed with the Securities and Exchange Commission from time to time. These filings are available at http://www.sec.gov Thank you