User handout for the SPX portal- version 4.1

User handout for the SPX portal- version 4.1 This handout aims to make the users of SPX familiar with its version 4.1 and describe the way of using the user menu including all functions. Signing in to the portal Users of SPX sign in to the regular version of the portal via www.spx.sk using their provided user names and passwords. As of March 31 st 2008, the sign-in procedure to SPX portal is done in the following way: 1) signing in with a certificate the user will use this option to log in after having imported the certificate. 2) signing in using the SPX code and importing the certificate this option is used if the user has not imported certificate yet, or would like to start using a new certificate. In order to log in, the user is required to use the SPX code, which is provided upon request of the client. To access the portal, it is possible to use certificates issued by the following authorities: EVPU a.s. Nová Dubnica - Slovakia, První certifikační autorita a.s. Czech republic or OTECA certificates issued by Logica for OTE. Section Offers A click on the link Offers displays all active offers listed on the SPX portal and enables their viewing, writing counteroffers and also closing deals by accepting listed offers. Given links in the upper toolbar of the screen turn red and indicate added or removed (expired) offers in respective screens, e.g. Short-term (+1-1) indicates 1 added and 1 removed offer within the Shortterm section while this change is also highlighted in sum within the section Offers (+1-1). Offers 1 In all screens (sections): - (x abbreviation of company) non-anonymous offers without indicated price in order to trade such offer, the counterparts need to contact each other and bargain price over the phone. It is not possible to trade these offers directly by clicking them in any screen of SPX. Handout to SPX version 4.1 p. 1/12

- (x price) anonymous offers with indicated price the user will not be able to trade these offers due to the fact that his company has not confirmed a contract with the counterpart within the system of SPX. - (x pricee, x pricesk) anonymous offers with indicated price in or Skk the user is able to trade these offers directly by clicking them on the screen of SPX. Section Diagrams Clicking the link Diagrams in the upper toolbar will display a screen which enables inserting offers in 5 subsequent calendar days. Diagrams 1 As shown above, there are 2 offers listed for July 9 th 2008 (illustrated as Wednesday 2008-07-09 ) 1 Ask (sale) of other company with blue shading and 1 Bid (purchase) in pink shading, while * indicates offers that can be traded as individual hours or as fixed hour blocks. Clicking on the Bid will display more detailed information (Diagrams - picture 2) and after filling out the empty rectangles shown below it is possible to select requested volume and then accept the offer. Diagrams - 2 Writing down an offer as a diagram This starts with selecting the delivery point (e.g. SK-SEPS), date - July 8 th 2008, and follows with clicking for on a small square in respective line of Ask (sale) in the column Diagrams, where the user either fills out each square individually, or copy data from an Excel sheet. As for the already mentioned directly tradable offers, it is necessary to set currency and decide whether counterparts can only accept the entire offer (yes - entire), any volume in any hour (individual hours) or only fixed volume respective to particular hours (fixed hour blocks). After filling out the values, the user continues by clicking on the link proceed (Diagrams - picture 3). Handout to SPX version 4.1 p. 2/12

Diagrams - 3 Following will be a summary of the new diagram, and after a quick check by the user, this offer will be listed after confirming on the link write down (Diagrams - picture 4). Diagrams - 4 Immediately after writing down the offer on screen, the offer will be highlighted in red for few seconds. In all screens, offers which have not yet been redrawn within the section Offers, and also in respective sections (Diagrams, Short-term etc.), will be first temporarily highlighted by red colour (Diagrams - picture 5) after clicking the corresponding link, i.e the name of sections in the upper toolbar, and then change the colour back to black (Diagrams - picture 6). Diagrams - 5 Handout to SPX version 4.1 p. 3/12

Diagrams - 6 Accepting an offer of a listed diagram If the SPX participants have mutually confirmed contracts, they can start trading directly all anonymous offers. If the user wants to accept particular offer, e.g. a listed diagram on July 9 th, it is necessary to click a rectangle with blue shading with indication 19* 20e (* - offer tradable by parts, e indicates price in ), and the following dialog will appear picture 7: Diagrams - 7 After filling out the rectangles, the offer can be accepted by clicking on accept and then the confirmation protocol appears. This protocol is also sent to the email address of user in form of https://www.spx.sk/spx3/confirm_index.jsp?ide=.... The residual of the partially traded diagram is automatically updated within the Offers and Diagrams screens, as illustrated below. Diagrams 8 If the offer was accepted as an entire diagram, the offer will be removed from both screens and remains stored within the Accepted offers of the Archive section. In order to enable direct trading of anonymous offers, it is necessary that SPX participants mutually confirm contract within the section Settings Contracts. Without mutually confirmed contracts, it is not possible to accept listed offers with indicated prices. Section Short-term This section shows the spot market of SPX, which is currently divided into 5 subsequent calendar days and following 2 weeks, 2 working weeks and 2 weekends. The short-term products of this screen include also diagrams and standard products: Handout to SPX version 4.1 p. 4/12

Diagram max. range 24 hours Baseload 0-24h Peak- 8-20h Off-peak - 0-08 and 20-24h HT (high tariff) - 6-22 h LT (low tariff) - 0-06 and 22-24h Complementary products: Sunshine - 6-8h Sunset - 20-22h Business - 8-16h Afternoon - 16-20h LT I (low tariff I) - 0-06h LT II (low tariff II) - 22-24h Off-peak I - 0-08h Off-peak II - 20-24h The picture below shows all offers listed within the section Short-term and also offers from the previous section - Diagrams. Short-term 1 The way of writing down, viewing and accepting of standard and complementary products in the section Short-term is the same as with diagrams. Products in this section can be directly traded as entire, by predefined parts or they can be listed as iceberg, where the user may offer a product of larger volume for gradual accepting, e.g. a baseload of 20 MW, and according to definition of the user, the offer will be listed gradually only by 5 MW, as shown on Short-term - picture 2, on page 6. Handout to SPX version 4.1 p. 5/12

Short-term 2 A click on the link proceed will summarize this offer into the following window: Short-term 3 The offer will be listed on SPX after clicking on the link write-down. This offer can be seen in the preview of all Offers and also on the Short-term screen picture 4. In order to completely accept this offer, there are 4 acceptations needed, each by 5 MW (constant price), while the portal generates 4 confirmation protocols. If deemed necessary, the user may terminate validity of iceberg s residual or any other own offer by clicking it on screen and then again confirming by clicking on terminate validity. Short-term - 4 ( screen Offers, profile of the user who initiated iceberg) User who listed iceberg will see his own offer marked with sign ^ (the offer can be removed at anytime), other users of portal see only the currently offered volume of 5 MW, as shown on Shortterm - picture 5, next page. Handout to SPX version 4.1 p. 6/12

Short-term 5 (screen Short term, profile of counterparts) Section Long-term Long-term contracts are divided into offers for the following 3 months, 4 quarters and 3 years, while available products of the long-term-screen include: Baseload 0-24h Work-days peak- 8-20h Work-days off-peak - 0-8 a 20-24h Work HT (high tariff) - 6-22h Work LT (low tariff) - 0-6h and 22-24h Work baseload - 0-24h Non-work baseload - 0-24h Weekend baseload - 0-24h The way of listing offers, including filling out the forms, confirmation, writing down, viewing and accepting is identical as with short-term offers. Once the user filled out his email address in the section Settings, he will also receive an email with confirmation link after accepting offers. The screen of long-term section shows anonymous offers of other SPX participants with indicated price (offers of yearly baseload and work HT). Long-term 1 Intraday (modul is not active) Principle of writing in and accepting offers for intraday is the same as with diagrams (trading of entire offer, trading by parts or trading of individual hours). The only difference is that diagrams in intraday can be written-in into 2 subsequent 4 hour windows, with a deadline an hour before the beginning of each séance. Intraday 1 (SK version of SPX) Handout to SPX version 4.1 p. 7/12

After accepting an offer, data will be sent from the SPX platform to the system of Transmission system operator (TSO). The actual status of data sent to TSO can be checked in the window of accepted offers, by clicking on the mark of SPX in the upper left corner, or on exclamation mark, placed right to the SPX mark. Intraday 2 (SK version of SPX) This window is updated every 30 seconds and shows the actual status of offers. If this window is closed, the change of status of accepted offers can be identified in the upper menu by changing the colour of exclamation mark from black to red (! ->! ). The status of accepted offer of an intraday diagram sent to the system of TSO is indicated in the last column on the right, labeled SEPS. Numbers 1-3 correspond to the follwing: 1 data of accepted intraday diagram were sent to the system of SEPS (TSO) 2 - rejected intraday diagram, data will not be registered within the system of SEPS 3 approved, registered intraday diagram within the system of SEPS The condition for sending data of intraday diagrams accepted on the SPX platform to the system of TSO is a signed Mandate contract of client with SPX, s.r.o. Sending data of intraday diagrams traded on SPX is processed in the following way: After accepting a deal (by accepting an offer) an email for the buyer is generated, and sent to the buyer and to the system of TSO and another email is generated for the seller and sent to the seller and to the system of TSO. After processing these emails, the system of TSO sends emails to buyer and seller and also to the system of trading platform of SPX. Then, the status of registration of the trade is displayed on the SPX portal (click on! in the upper toolbar). Writing in offers of transfer of import declaration (Allowances) In the section of Allowances, the users of the portal may ask or bid the transfer of import declaration to other users of SPX. If the users are unable to declare export of electricity in certain hour, they bid in order to receive the export allowance. On the other hand, if the user has exceeding import over export in certain hour and has an interest to offer this export allowance to other subject of settlement, the same user will ask the export allowance. Bid and ask offers are written in the same way as diagram. After accepting a directly tradable offer, the system of SPX generates a standard confirmation protocol, which will include the volume, hours, price and counterpartner. After trading allowances on SPX, the user is required to manage for the transfer of import declaration in the system of DAMAS. Section Allowances is illustrated on picture 1 below: Allowances 1 Handout to SPX version 4.1 p. 8/12

Location swaps This module enables users to transport electricity from one delivery point (e.g. SEPS) to another (e.g. CEPS) without a need to buy the transfer capacity in the auction of cross-border capacities organized by operators of transmission systems. The principle of transport is simple: users find a partner in reversed position via the SPX portal and exchange their positions. One partner sells electricity to the other in CEPS and the same volume buys from him in the same hours in SEPS. The portal then generates 2 confirmations, first for the trade in SEPS and second for the trade in CEPS. This is not a transfer of a cross-border capacity. Location swaps 1 Location swaps 2 Archive The link is located in the upper toolbar of the portal and is used to filter offers. Inside the Archive, the user makes a selection of requested data in a specified timeframe: Archive 1 1 st filter: All displays all active offers, Active displays each active offer, Accepted displays a list of accepted offers within selected timeframe. Handout to SPX version 4.1 p. 9/12

2 nd filter: All displays offers of all users of the portal, Our displays only offers of the user. 3 rd filter: Option to separate offers (diagrams, short-term, long-term), location swaps and allowances. 4 th filter: Option to set the format of generating data either site (html), or Excel. The way of transferring data to Excel is described in respective section of the portal. Settings In this section, each user is supposed to fill out own data and data of company, which are copied directly to generated confirmation protocols. My settings Refresh menu is the interval of detecting new offers (or changes of offers) on the portal. After detecting a change, this change is highlighted by red colour. New window, setting other value than 0, e.g. 1 enables displaying of new offers in the lower right corner, in a small pop-up window for few seconds. Settings 1 My products The user can set the list of frequently used products which will be displayed on ths SPX screen in user s own profile. At the same time, all active offers will be shown in the section Offers and respective sections (including those offers which were not selected during the parameterization of screen). Settings 2 Handout to SPX version 4.1 p. 10/12

Change of password In this section, the user can change own password and confirm by clicking on the link confirm. Settings 3 Contracts A click on the link Contracts will display the list of contracts, which the user has confirmed or opened with other SPX participants. In order to confirm a contract with counterparts, it is necessary that participants propose contracts to other participants from the list, who then confirm this contract. After fulfilling this condition, participants of SPX can start accepting anonymous offers listed on the portal. Settings 4 SK-SEPS and CZ-CEPS Data filled out in both sections are used for the print form of confirmation. Confirmation is sent to the email address saved in this section. Each company has the right to register its own affiliate in separate delivery points SK-SEPS, CZ-CEPS or others. Only after having the affiliate registered in delivery point, the company may start listing offers in that particular delivery point, where the company may propose and confirm contracts which are necessary for direct trading. Settings 5 Handout to SPX version 4.1 p. 11/12

Exchange rate calculator The calculator can be found on the entry screen of www.spx.sk on the left side. It calculates the price of output in MW in several currencies (SKK, Euro, Czk etc.) according to the actual exchange rate of the National Bank of Slovakia. The exchange rate calculator is illustrated below: Exchange rate calculator 1 Sign out a click on this link will redirect the user to the entry screen of the SPX platform. Handout to SPX version 4.1 p. 12/12