DSET Reports Third-Quarter Results

Bridgewater, NJ - October 24, 2000 - (Nasdaq: DSET) - DSET Corporation today reported its financial results for the third quarter, which ended September 30, 2000.

For the third quarter of 2000, total revenues amounted to $13.9 million, as compared with $12.9 million for the same period in 1999, a 7.4% increase. For the third quarter of 2000, license revenues accounted for $9.8 million, or 70.6% of total revenues, and service revenues accounted for $4.1 million, or 29.4% of total revenues. For the same period in 1999, license revenues accounted for $6.6 million, or 50.8% of total revenues, and service revenues accounted for $6.3 million or 49.2% of total revenues.

Of total revenues, $10.6 million, or 77%, came from sales to competitive telecom service providers. This is an increase of 43% compared to the $7.4 million in sales to competitive service providers in the third quarter of 1999.

The net loss for the quarter amounted to $3.3 million, or a loss of $0.28 per share on a basic and diluted basis, as compared with net income of $2.1 million, or $0.19 per share on a diluted basis, for the quarter ended September 30, 1999. The weighted average number of basic and diluted common shares outstanding at September 30, 2000 was 11.5 million and the number of diluted shares at September 30, 1999 was 11.5 million.

Gross margin for the quarter was 64.8% versus 79.1% for the third quarter of 1999. Gross margin for license revenues was 84.1% in the third quarter compared to 90.5% in the same quarter of 1999. Gross margin for service revenues was 18.3% in the third quarter of 2000 compared to 67.3% in the third quarter of 1999.

Revenue for the nine-month period increased 41.3% to $41.7 million as compared to $29.5 million in the prior year. License revenue was $30.1 million, or an increase of 88.6% for the nine-month period, and service revenue was $11.6 million, or a decrease of 14.3% as compared to the prior year.

The net loss for the nine months ended September 30, 2000 was $159,000 or $0.01 per share on a basic and diluted basis, as compared to net income of $3.4 million, or $0.30 per share on a diluted basis, last year.

Quarterly Analysis

Shortfall Factors

As we reported on October 3, 2000, several factors had a substantial negative impact on our third-quarter results. These factors included two unexpected developments in the final days of the quarter.

A total of 9 competitive service providers made decisions in the last few days of the quarter to delay purchases that amounted to $8.7 million in potential quarterly revenue. Another 3 providers actually became new customers but scaled back their initial orders by $4.2 million to conserve cash. Such changes to the business plans of these customers came as a surprise, since we were in final negotiations with them.

The filing for Chapter 11 bankruptcy protection by NETtel Communications on September 29 was another financial setback in the quarter. Although NETel had paid us approximately $700,000 for prior orders, they still owed us $1.9 million. Accordingly, we have established a reserve in our allowance for bad debts for this account. As a result of the NETtel bankruptcy and uncertainty in the financing environment for competitive service providers, we have provided an additional $1.7 million of reserves to the allowance for bad debts.

We also settled some disputes with customers related to our legacy business and, as a result, wrote off accounts receivable amounting to about $1.6 million, which was greater than we expected. This is part of our previously announced strategy to move completely out of DSET's legacy product lines in application development tools, GR-303 applications, and local service management systems.

Gross margins for licensed products of 84.1% were below expectations due to lower volume and higher fixed costs of amortization and third-party license fees. Service gross margins of 18.3% were also below expectations due to a lower than expected volume of service revenues and the added costs from DSET's ramp-up of technical support and implementation teams while still incurring higher than normal expenses from third-party contractors brought in to provide interim support. These third-party costs are expected to diminish in the fourth quarter.

Operating Performance
Operating expenses, excluding the bad debt and other charges noted above, were in line with expectations.

Cash, cash equivalents and marketable securities were $39.5 million at quarter-end, reflecting the impact of the net loss for the quarter, capital expenditures, and deferred payments for previously acquired technology.

Days Sales Outstanding (DSOs) for the third quarter of 2000 were 124 days. This increase from last quarter was due in part to lower advance payment receipts in the quarter from third-quarter customers and payment delays from prior customers. We have collected an additional $3.0 million since September 30, 2000, which would have equated to an additional 20-day reduction in DSOs for the quarter.

Unbilled receivables in the third quarter decreased 24% to $2.9 million from $3.8 million at December 31, 1999. Percentage of completion revenue, which drives unbilled receivables, decreased 10% to $1.8 million from $2.0 million in the second quarter and amounted to 13% of third quarter sales.

Deferred revenues representing future sales were $3.3 million compared to $1.7 million at the end of last year.

Third-Quarter Highlights

New Customers and "Win-Backs"
We won seven new customers in the quarter: six in the United States and one in Canada. These increased the number of DSET customers that are competitive service providers to 46. The average software sale in the quarter amounted to $1.1 million.

The current mix of our customers reflects increasing diversity as well as growth in numbers. Our base of competitive service providers consists of facilities-based CLECs, non-facilities based resellers, DLECs, independent telephone companies, cable companies, application service providers, utility companies, and former regional Bell operating companies.

This is also the second quarter in a row in which we replaced a competitor that a service provider had initially chosen instead of DSET.

Trading Partner Networks In Production

The pace of implementing Trading Partner Networks with DSET products is accelerating through the direct efforts of our Professional Services group and the systems integrators who have joined our Alliance Program. By the end of December 2000, we believe that 60% of our customers will be in production and another 26% will be in final acceptance testing with their trading partners.

Products
New releases of each of our existing major gateways were shipped during the quarter.

Our new ezPreOrder gateway also shipped during the quarter. This product enables a competitive service provider to automatically retrieve information from an incumbent carrier regarding xDSL loop qualification as well as a prospective customer's address and the services they currently receive from the incumbent provider. This ensures that the competitive provider has the correct information about their prospective customers before actually submitting an order to the incumbent.

Validating information such as a customer's address in an order accelerates the realization of revenues from the competitive carrier's new customers. Without ezPreOrder, the rejection rate for orders sent to trading partners in other ways can exceed 40 percent due to incorrect information. We anticipate that this product will be purchased almost every time that we sell our ezLocal ordering gateway to a competitive service provider.

Integration testing of our ezTroubleAdmin gateway with BellSouth was completed by our alliance partner KPMG Consulting. At Allegiance Telecom, similar integration testing with SBC was completed during the quarter. Certification by BellSouth and SBC will enable competitive carriers interconnecting with these incumbents to automate the exchange of trouble tickets and speed the resolution of service problems, an important aspect of customer retention for the competitive providers. We believe that this gateway provides us with an additional competitive advantage.

New Products in Development
We plan to introduce several new products in the first half of 2001 as part of our continuing commitment to offer competitive service providers the best set of solutions for building Trading Partner Networks. And along with offering new products that solidify our position in the telecommunications market, we are researching products that will expand our market potential beyond the North American telecom industry.

Partners
During the quarter, our gateways were successfully tested for integration with the newest version of MetaSolv Software's order management and service fulfillment solution. DSET was also named one of MetaSolv's "Alliance Partners of the Year" in recognition of the strong, productive relationship between the two companies.

DSET's ordering gateways and MetaSolv's solution were also cited during the quarter as key elements of the SUPERQuest Award presented to Allegiance Telecom at SUPERCOMM 2000. The Allegiance operations support system was recognized as the best application in the "Best Built Public Network or Service/OSS" category. This advanced system has cut the interval required to switch customers from an incumbent carrier to Allegiance's network from 30-45 days to 10-15 days.

Our gateways are currently integrated with two commercially available order management systems (OMSs) and multiple proprietary OMSs. We anticipate being integrated with one or two additional OMSs by mid-year 2001.

Web Seminars
As part of our aggressive marketing effort, we are conducting a series of seminars on the Internet that enable us to discuss our products with a broad audience in the telecommunications industry. Over a period of just a few months, approximately 400 people have taken part in this educational program.

Looking Forward

Before providing guidance for the fourth quarter of 2000 as well as for 2001 and 2002, we would like to give our overall perspective on the market. These views are the underpinnings for our future guidance.

Relative to the size of the market, we track over 300 facilities-based competitive service providers that have at least one switch each. For each of these providers, we believe that an automated software-based solution is critical if they are going to compete effectively - which means turning on service in less than two weeks.

We are confident in our future success because we believe the number of competitive service providers we need to win over the next two years is relatively small. If we define the market by the number of competitive service providers that have already bought an order management system, but not gateways to build a Trading Partner Network, we can conclude that we will start 2001 with 60 to 70 prospects that have bought an OMS in the last 12 to 18 months and another 50 to 60 that have their own proprietary OMS. And we believe that competitive service providers will need to spend on software even if they slow down hardware purchases. They will do this in order to improve efficiency, shorten processing-time cycles, and reduce costs.

While we believe that we will maintain our leading position in our segment of the market, we also recognize that with all the turmoil in the telecom sector we will need to prove ourselves each quarter.

Guidance for the Fourth Quarter
We will continue our conservative outlook for the fourth quarter that we expressed in our October 3, 2000 press release yet raise our revenue estimates slightly to a range of $15 million to $17 million. This should produce break-even results, assuming that we don't encounter any additional changes in the buying patterns of competitive service providers.

Financial Expectations for the Fourth Quarter:
· Revenues between $15 million and $17 million
· Gross margin between 75% and 77%
· Net income and cash flow from operations at about break-even

Outlook for 2001

Our revenues from competitive service providers were $3.0 million in 1998 and $20 million in 1999. We believe that we will end 2000 with revenues from these customers of between $40 million and $44 million, which is year over year growth of 100%. In 2001, we believe that we can grow our business as follows:

Financial Expectations for 2001:

· Revenues between $60 million and $65 million
· Gross margin between 75% and 77%
· Operating Income rate as a percent of sales of between 12% and 14%
· Earnings per share between $0.45 and $0.55 on a diluted basis
· Cash flow from operations of between $6.0 million and $8.0 million

Outlook for 2002

Independent research firms that track the telecommunications industry have predicted a continual migration of billions of dollars worth of local phone service revenue from the former Bell operating companies to competitive service providers. AT&T is also expected to lose a significant amount of long-distance revenues to the competition. All of these shifts in revenue require inter-company transactions that cannot be handled efficiently via fax or Web interfaces because manual re-typing of the orders is required.

We believe that the competitive service provider market will continue to expand and contract as these competitors go after these huge dollar markets and that different business models will evolve. Birch Telecom's recent announcement of hitting a total of 200,000 lines is a good example. Birch doesn't have to buy Class 5 switches for millions of dollars because DSET's software enables them to order comprehensive network capabilities from their trading partners. Consequently, a company such as Birch doesn't have the same cash demands as a facilities-based provider.

In our software jargon, this is called ordering unbundled network elements as a platform, or UNE-P. Support for this software opens up the opportunity for sales to a new class of competitive service providers known as non-facilities based CLECs or resellers. Another key point is that existing facilities-based competitive providers can expand geographically without buying Class 5 switches, thereby minimizing capital expenditures.

Couple this dynamic with our ability to offer customers an expanding line of products and we feel confident to predict that we can grow revenue 30 to 35% in 2002 and earnings per share growth in a similar range.

We are confident that our business plan is the right one for success in what we see as a very viable market, generating revenues from software sales and from an increasing demand for implementation and maintenance services. Going forward, competitive carriers may take longer to make purchasing decisions. But if they are to remain in business and be profitable, we believe that each must build a Trading Partner Network.

About DSET

DSET Corporation supplies software and services that enable telecommunications providers to rapidly implement electronic Trading Partner Networks, which significantly reduce the time required to provision services for customers and resolve service outages to maintain high service quality and ensure customer retention. DSET is headquartered in Bridgewater, New Jersey, and the company's Web site can be viewed at www.dset.com.

Statements regarding financial matters contained in this press release, other than historical facts, are forward-looking. Since all statements about DSET's plans, estimates, and expectations are based on current projections that involve risks and uncertainties, and are subject to change at any time, the company's actual results may differ materially from expected results. Investors should consider these risks and uncertainties, which are discussed in documents filed by DSET with the Securities and Exchange Commission. These documents identify important factors that could cause the actual results to differ materially from those contained in the projections or forward-looking statements. DSET expressly disclaims any obligation to update any forward-looking statements.

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DSET Contacts:
Financial: Bruce Crowell, Chief Financial Officer,
908-526-7500 Ext. 1775, e-mail bcrowell@dset.com

Media Relations: Dean Maskevich, Marketing Communications,
908-526-7500 Ext. 1366, e-mail: dmaskevi@dset.com

Investor Relations: John P. Murphy, Westfield Investor Relations,
908-233-1558, e-mail: westfieldir@worldnet.att.net

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