1 Exhibit 99.1 KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) TOLLGRADE(R) 2 Enabling the Digital Edge Tollgrade's strategy for long-term growth KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) TOLLGRADE(R) 3 TOLLGRADE(R) OUR CUSTOMER'S NETWORK [Graphic depicting flowchart of typical customer network] Private-Line Access |----------------------------DS1 Network | SmartJack OC-12c | ADM OC-12c ---------------|ADM | OC-x | -----DS1 Medium & | | DS1 Service -----DS3 Large Business | |DSLAM ADM Customers | | OC-12c Router | ---------------------------------------------------Voice | OC-3c | xDSL Service -10/100 | | IAD |DCS | Network Class 5 Switch | Core | |---------| ATM ----------------------------|----------------------------------------------------POTS Switch | PSTN OC-x | RT NID | Switch | | | | Consumer |----------------------------------------------------POTS Residential & | Access | OC-3c Small Business | Network | RT NID Customers | | | COT |----------------------------------------------------POTS | OC-3c NID | CATV --Video Residential |-------------------------------------------------------------------------------10/100 Customers Access Network Head End TRX TRX NID BAIRD 092101 3 4 TOLLGRADE(R) CORE PRODUCT FAMILIES [Graphical representation of our products and services and reseller products] BROADBAND EDGE [Picture] T&M SOLUTIONS PROFESSIONAL CONSUMER ACCESS [Picture] SERVICES T&M SOLUTIONS Lucent LoopCare* Nortel AccessCare* CATV ACCESS [Picture] T&M SOLUTIONS *Per OEM/Reseller Agreements. BAIRD 092101 4 5 REVENUES BY PRODUCT FAMILY (dollars in millions) [GRAPH] $120------------------------------------------------------------------- $100------------------------------------------------------------------- $80------------------------------------------------------------------- $60------------------------------------------------------------------- $40------------------------------------------------------------------- $20------------------------------------------------------------------- $46.2M $61.1M $114.4M $0------------------------------------------------------------------- 1998 1999 2000 ----------------------------------------------------------------------- [ ] Consumer [ ] BB Edge [ ] CATV [ ] Services TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 5 6 OUR FOCUS MOVING FORWARD PROVIDING OUR CUSTOMERS WITH LEADING EDGE TEST & MANAGEMENT SOLUTIONS WHICH... - Enable the competitive rollout of digital broadband services. - High Speed Internet - Voice over Broadband - Digital Video - Fully leverage the investments in their existing access network infrastructure. - Incumbent Centralized Test & Management Systems - Recently Deployed DSLAMs and NGDLCs TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 6 7 A SHIFT IN THE MARKET - Currently, the market is shifting from a focus of BUILDING CAPACITY in the network's core to FILLING CAPACITY at the edge. - AS A RESULT... TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 7 8 ...OUR CUSTOMERS ARE BUYING MORE... DLC Equipment [Graphic depicting growth of DLC equipment shipments] Source: RHK Telecommunications Industry Analysis IAD/Gateways [Graphic depicting growth of voiceover broadband market] Source: RHK Telecommunications Industry Analysis TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 8 9 ...TO DRIVE INCREASED DEPLOYMENTS OF... Internet Services [Graphic depicting growth of internet services market presentation] Source: RHK Telecommunications Industry Analysis VoB Services [Graphic depicting growth of voiceover broadband equipment shipments] Source: RHK Telecommunications Industry Analysis TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 9 10 THE POSITIVE IMPACT - This increased investment in the broadband edge provides unique growth potential for Tollgrade by leveraging: - ITS MARKET DOMINANCE - IN PARTNERSHIP WITH LUCENT - WITH CONSUMER ACCESS T&M SOLUTIONS. - ITS UNMATCHED ABILITY TO INTEGRATE TEST INTO ACCESS NETWORK ELEMENTS, INCLUDING NGDLCS AND DSLAMS - ITS COMPANY-WIDE APPLICATIONS KNOWLEDGE OF TESTING BROADBAND SERVICES OVER THE COPPER/COAX LOOP. TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 10 11 OUR HIGH-LEVEL STRATEGIES - DIGITAL LTS - Enable the RBOC's competitive management of the Digital Consumer through the evolution of their existing Consumer Access T&M solutions. - IMU ANYWHERE - Maximize the global presence of Tollgrade's broadband edge solutions through win/win relationships with industry leading Access Network Element and Private-Line T&M suppliers. - DIGITAL W/O A DISPATCH - Enable our customer's ability to accelerate broadband service deployments by enhancing their existing access network T&M solutions to include IP/ATM service verification. TOLLGRADE(R) KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) BAIRD 092101 11 12 FINANCIAL STATEMENTS Balance Sheet (Dollars in Thousands) June 30, 2001 December 31, 2000 -------------------------------------------------------------------------------- ASSETS -------------------------------------------------------------------------------- Current Assets Cash and Investments $76,417 $58,830 Accounts Receivable 18,190 19,590 Inventories 24,980 30,499 Other 2,201 10,721 -------------------------------------------------------------------------------- TOTAL CURRENT ASSETS $121,788 $119,640 Other $17,664 $11,635 -------------------------------------------------------------------------------- TOTAL ASSETS $139,452 $131,275 -------------------------------------------------------------------------------- CLA-BoD 7-19-01 12 13 FINANCIAL STATEMENTS Balance Sheet (Dollars in Thousands) June 30, 2001 December 31, 2000 -------------------------------------------------------------------------------- LIABILITIES AND SHAREHOLDERS' EQUITY Total Liabilities $5,003 $8,515 Total Shareholders' Equity $134,449 $122,760 -------------------------------------------------------------------------------- TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $139,452 $131,275 -------------------------------------------------------------------------------- CLA-BoD 7-19-01 13 14 FINANCIAL STATEMENTS Statement of Cash Flows (Dollars in Thousands) First Half 2001 First Half 2000 ---------------------------------------------------------------------------------------- CASH FLOWS FROM OPERATING ACTIVITIES Net Income $ 9,559 $ 12,378 Adjustments to reconcile Net Income to Cash 13,979 (2,161) ---------------------------------------------------------------------------------------- NET CASH PROVIDED BY OPERATING ACTIVITIES $ 23,538 $ 10,217 ---------------------------------------------------------------------------------------- CASH FLOWS FROM INVESTING ACTIVITIES Capital Expenditures ($ 2,436) ($ 2,217) ---------------------------------------------------------------------------------------- CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from the exercise of Stock Options 1,045 8,742 CLA-BoD 7-19-01 14 15 FINANCIAL STATEMENTS Statement of Cash Flows continued (Dollars in Thousands) First Half 2001 First Half 2000 ---------------------------------------------------------------------------------------- NET INCREASE IN CASH AND CASH EQUIVALENTS 22,147 16,742 ---------------------------------------------------------------------------------------- CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 61,580 31,922 ---------------------------------------------------------------------------------------- CASH AND CASH EQUIVALENTS AT END OF PERIOD $83,727 $48,664 ---------------------------------------------------------------------------------------- CLA-BoD 7-19-01 15 16 FINANCIAL STATEMENTS Second Quarter Statement of Operations (Dollars in Thousands) % of Total % of Total 2001 Actual Revenue 2000 Actual Revenue -------------------------------------------------------------------------------------------- NET PRODUCT SALES $ 21,776 100% $ 29,667 100% -------------------------------------------------------------------------------------------- GROSS PROFIT $ 12,211 56.1% $ 18,253 61.5% -------------------------------------------------------------------------------------------- TOTAL OPERATING EXPENSES $ 6,704 30.8% $ 7,621 25.7% -------------------------------------------------------------------------------------------- NET INCOME $ 3,803 17.5% $ 7,154 24.1% -------------------------------------------------------------------------------------------- WEIGHTED average shares and equivalents: diluted 13,404,290 13,318,461 -------------------------------------------------------------------------------------------- DILUTED E.P.S $ .28 $ .54 -------------------------------------------------------------------------------------------- ANALYSTS CONSENSUS ESTIMATE (excluding charge) $ .30 -------------------------------------------------------------------------------------------- CLA-BoD 7-19-01 16 17 FINANCIAL STATEMENTS First Half Statement of Operations (Dollars in Thousands) % of Total % of Total 2001 Actual Revenue 2000 Actual Revenue -------------------------------------------------------------------------------------------- Net Product Sales $ 49,766 100% $ 52,084 100% -------------------------------------------------------------------------------------------- Gross Profit $ 27,926 56.1% $ 32,299 62.0% -------------------------------------------------------------------------------------------- Total Operating Expenses $ 14,043 28.2% $ 13,973 26.8% -------------------------------------------------------------------------------------------- Net Income $ 9,559 19.2% $ 12,378 23.8% -------------------------------------------------------------------------------------------- Weighted average shares and equivalents: diluted 13,391,030 13,217,634 -------------------------------------------------------------------------------------------- Diluted E.P.S $ .71 $ .94 -------------------------------------------------------------------------------------------- Analysts Consensus Estimate (excluding charge) $ .73 -------------------------------------------------------------------------------------------- CLA-BoD 7-19-01 17 18 KNOW HOW GOOD YOUR NETWORK CAN BE.(TM) TOLLGRADE(R)