Methodology Change | Solactive Junior Gold Miners Custom Factors Index | Effective Date 02/01/2026

Today, on the 18/12/2025, Solactive announces the following changes to the methodology of the following index (the ‘Affected Index’):

Rationale for Methodology Change

Solactive has determined that the proposed changes are in line with the index objectives that are outlined within the index methodology. The fluctuation of gold price and the resulting fluctuation in market values of gold mining companies had resulted in the exit of many current constituents from the index during the most recent rebalance back in September 2025. This exit resulted in 15 of 25 current index constituents being deleted resulting in a failure in the weighting mechanism applied to the index. To counteract the large turnover, a one-time amendment to the index methodology was made to increase the Market Capitalization Cap to USD 3B$ instead of the current USD 2B$. Following the rebalance, we have been considering ways in which we can modify the index to ensure that such an issue does not occur again. These changes are as follows.

Changes to the Index Guideline

The following Methodology changes are proposed in the following points of the Index Guideline:

From:

2.1 SELECTION OF THE INDEX COMPONENTS

(…)

On the Selection Days, Solactive AG defines the Index Universe as outlined in Section 4. Each stock in the

Index Universe is included into the Index provided its security-level market capitalization is below USD 2$

billion. All stocks with a security-level market capitalization greater than USD 2$ billion are not eligible

for inclusion into the index

(…)

4 DEFINITIONS

The “Index Universe” in respect of a Selection Day are companies that fulfill the following criteria:

1. Each index component of the Solactive Global Gold Explorers & Developers Total Return

Index[.SOLGOEX / SOLGOEX Index].

(…)

The “Rebalance Day” is the third Friday of the months March and September. If that day is not a Trading

Day the Rebalance Day will be the immediately following Trading Day

The “Selection Day” is 5 Business Days before the Rebalance Day, disregarding any potential change to

the Rebalance Day.

(…)

To:

2.1 SELECTION OF THE INDEX COMPONENTS

(…)

On the Selection Days, Solactive AG defines the Index Universe as outlined in Section 4. Each stock in the Index Universe is included into the Index provided its security-level market capitalization is less than/equal to USD 3$ billion for stocks that are not index components on the respective Selection Day and less than/equal to USD 4$ billion for stocks that are index components on the respective selection day.  All stocks with a security-level market capitalization greater than USD 4$ billion are not eligible for inclusion into the index.

The minimum number of index components is 25 and the maximum number of index components is 30.

(…)

3.7 METHODOLOGY REVIEW

The methodology of the INDEX is subject to regular review, at least annually. In case a need of a change of the methodology has been identified within such review (e.g. if the underlying market or economic reality has changed since the launch of the INDEX, i.e. if the present methodology is based on obsolete assumptions and factors and no longer reflects the reality as accurately, reliably and appropriately as before), such change will be made in accordance with the Solactive Methodology Policy, which is incorporated by reference and available on the SOLACTIVE website: https://www.solactive.com/documents/methodology-policy/.

Such change in the methodology will be announced on the SOLACTIVE website under the Section “Announcement”, which is available at https://www.solactive.com/news/announcements/. The date of the last amendment of this INDEX is contained in this GUIDELINE

4 DEFINITIONS

The “Index Universe” in respect of a Selection Day are companies that fulfill the following criteria:

Each component of the MARKET WATCH for the Solactive Global Gold Explorers & Developers Total Return Index [.SOLGOEX / SOLGOEX Index].

(…)

“MARKET WATCH” is an announcement of a list of companies/securities which are intended to contribute to the creation of the Index Universe. It is compiled by all companies deemed to have their operational focus in line with the Scope of the Index. The Market Watch will be officially published and communicated on the Solactive website ten to five Business Days before the Selection Day and may be subject to updates.

The “Rebalance Day” is the third Friday of the months March and September. If that day is not a Business Day, the Rebalance Day will be the immediately preceding Business Day.

The “Selection Day” is 10 Business Days before the Rebalance Day, disregarding any potential change to the Rebalance Day.

(…)

Defined terms used in this announcement, but not defined herein, have the meaning assigned to them in the respective index guideline of the Affected Indices. The amended version of the index guideline will be available on the effective date.